| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.protobuf.compiler; |
| |
| import static org.apache.activemq.protobuf.WireInfo.WIRETYPE_FIXED32; |
| import static org.apache.activemq.protobuf.WireInfo.WIRETYPE_FIXED64; |
| import static org.apache.activemq.protobuf.WireInfo.WIRETYPE_LENGTH_DELIMITED; |
| import static org.apache.activemq.protobuf.WireInfo.WIRETYPE_START_GROUP; |
| import static org.apache.activemq.protobuf.WireInfo.WIRETYPE_VARINT; |
| import static org.apache.activemq.protobuf.WireInfo.makeTag; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| |
| import org.apache.activemq.protobuf.compiler.parser.ParseException; |
| import org.apache.activemq.protobuf.compiler.parser.ProtoParser; |
| |
| public class JavaGenerator { |
| |
| private File out = new File("."); |
| private File[] path = new File[]{new File(".")}; |
| |
| private ProtoDescriptor proto; |
| private String javaPackage; |
| private String outerClassName; |
| private PrintWriter w; |
| private int indent; |
| private String optimizeFor; |
| private ArrayList<String> errors = new ArrayList<String>(); |
| private boolean multipleFiles; |
| private boolean defferedUnmarshall; |
| |
| public static void main(String[] args) { |
| |
| JavaGenerator generator = new JavaGenerator(); |
| args = CommandLineSupport.setOptions(generator, args); |
| |
| if (args.length == 0) { |
| System.out.println("No proto files specified."); |
| } |
| for (int i = 0; i < args.length; i++) { |
| try { |
| System.out.println("Compiling: "+args[i]); |
| generator.compile(new File(args[i])); |
| } catch (CompilerException e) { |
| System.out.println("Protocol Buffer Compiler failed with the following error(s):"); |
| for (String error : e.getErrors() ) { |
| System.out.println(""); |
| System.out.println(error); |
| } |
| System.out.println(""); |
| System.out.println("Compile failed. For more details see error messages listed above."); |
| return; |
| } |
| } |
| |
| } |
| |
| static public class CompilerException extends Exception { |
| private final List<String> errors; |
| |
| public CompilerException(List<String> errors) { |
| this.errors = errors; |
| } |
| |
| public List<String> getErrors() { |
| return errors; |
| } |
| } |
| |
| interface Closure { |
| void execute() throws CompilerException; |
| } |
| |
| public void compile(File file) throws CompilerException { |
| |
| // Parse the proto file |
| FileInputStream is=null; |
| try { |
| is = new FileInputStream(file); |
| ProtoParser parser = new ProtoParser(is); |
| proto = parser.ProtoDescriptor(); |
| proto.setName(file.getName()); |
| loadImports(proto, file.getParentFile()); |
| proto.validate(errors); |
| } catch (FileNotFoundException e) { |
| errors.add("Failed to open: "+file.getPath()+":"+e.getMessage()); |
| } catch (ParseException e) { |
| errors.add("Failed to parse: "+file.getPath()+":"+e.getMessage()); |
| } finally { |
| try { is.close(); } catch (Throwable ignore){} |
| } |
| |
| if (!errors.isEmpty()) { |
| throw new CompilerException(errors); |
| } |
| |
| // Load the options.. |
| javaPackage = javaPackage(proto); |
| outerClassName = javaClassName(proto); |
| optimizeFor = getOption(proto.getOptions(), "optimize_for", "SPEED"); |
| multipleFiles = isMultipleFilesEnabled(proto); |
| defferedUnmarshall = Boolean.getBoolean(getOption(proto.getOptions(), "deferred_unmarshall", "false")); |
| |
| if( multipleFiles ) { |
| generateProtoFile(); |
| } else { |
| writeFile(outerClassName, new Closure(){ |
| public void execute() throws CompilerException { |
| generateProtoFile(); |
| } |
| }); |
| } |
| |
| if (!errors.isEmpty()) { |
| throw new CompilerException(errors); |
| } |
| |
| } |
| |
| private void writeFile(String className, Closure closure) throws CompilerException { |
| PrintWriter oldWriter = w; |
| // Figure out the java file name.. |
| File outputFile = out; |
| if (javaPackage != null) { |
| String packagePath = javaPackage.replace('.', '/'); |
| outputFile = new File(outputFile, packagePath); |
| } |
| outputFile = new File(outputFile, className + ".java"); |
| |
| // Start writing the output file.. |
| outputFile.getParentFile().mkdirs(); |
| |
| FileOutputStream fos=null; |
| try { |
| fos = new FileOutputStream(outputFile); |
| w = new PrintWriter(fos); |
| closure.execute(); |
| w.flush(); |
| } catch (FileNotFoundException e) { |
| errors.add("Failed to write to: "+outputFile.getPath()+":"+e.getMessage()); |
| } finally { |
| try { fos.close(); } catch (Throwable ignore){} |
| w = oldWriter; |
| } |
| } |
| |
| private void loadImports(ProtoDescriptor proto, File protoDir) { |
| LinkedHashMap<String,ProtoDescriptor> children = new LinkedHashMap<String,ProtoDescriptor>(); |
| for (String imp : proto.getImports()) { |
| File file = new File(protoDir, imp); |
| for (int i = 0; i < path.length && !file.exists(); i++) { |
| file = new File(path[i], imp); |
| } |
| if ( !file.exists() ) { |
| errors.add("Cannot load import: "+imp); |
| } |
| |
| FileInputStream is=null; |
| try { |
| is = new FileInputStream(file); |
| ProtoParser parser = new ProtoParser(is); |
| ProtoDescriptor child = parser.ProtoDescriptor(); |
| child.setName(file.getName()); |
| loadImports(child, file.getParentFile()); |
| children.put(imp, child); |
| } catch (ParseException e) { |
| errors.add("Failed to parse: "+file.getPath()+":"+e.getMessage()); |
| } catch (FileNotFoundException e) { |
| errors.add("Failed to open: "+file.getPath()+":"+e.getMessage()); |
| } finally { |
| try { is.close(); } catch (Throwable ignore){} |
| } |
| } |
| proto.setImportProtoDescriptors(children); |
| } |
| |
| |
| private void generateProtoFile() throws CompilerException { |
| if( multipleFiles ) { |
| for (EnumDescriptor value : proto.getEnums().values()) { |
| final EnumDescriptor o = value; |
| String className = uCamel(o.getName()); |
| writeFile(className, new Closure(){ |
| public void execute() throws CompilerException { |
| generateFileHeader(); |
| generateEnum(o); |
| } |
| }); |
| } |
| for (MessageDescriptor value : proto.getMessages().values()) { |
| final MessageDescriptor o = value; |
| String className = uCamel(o.getName()); |
| writeFile(className, new Closure(){ |
| public void execute() throws CompilerException { |
| generateFileHeader(); |
| generateMessageBean(o); |
| } |
| }); |
| } |
| |
| } else { |
| generateFileHeader(); |
| |
| p("public class " + outerClassName + " {"); |
| indent(); |
| |
| for (EnumDescriptor enumType : proto.getEnums().values()) { |
| generateEnum(enumType); |
| } |
| for (MessageDescriptor m : proto.getMessages().values()) { |
| generateMessageBean(m); |
| } |
| |
| unindent(); |
| p("}"); |
| } |
| } |
| |
| private void generateFileHeader() { |
| p("//"); |
| p("// Generated by protoc, do not edit by hand."); |
| p("//"); |
| if (javaPackage != null) { |
| p("package " + javaPackage + ";"); |
| p(""); |
| } |
| } |
| |
| private void generateMessageBean(MessageDescriptor m) { |
| |
| String className = uCamel(m.getName()); |
| p(); |
| |
| String staticOption = "static "; |
| if( multipleFiles && m.getParent()==null ) { |
| staticOption=""; |
| } |
| |
| String javaImplements = getOption(m.getOptions(), "java_implments", null); |
| |
| String implementsExpression = ""; |
| if( javaImplements!=null ) { |
| implementsExpression = "implements "+javaImplements+" "; |
| } |
| |
| p("public "+staticOption+"final class " + className + " extends org.apache.activemq.protobuf.BaseMessage<" + className + "> "+implementsExpression+"{"); |
| p(); |
| |
| indent(); |
| |
| for (EnumDescriptor enumType : m.getEnums().values()) { |
| generateEnum(enumType); |
| } |
| |
| // Generate the Nested Messages. |
| for (MessageDescriptor subMessage : m.getMessages().values()) { |
| generateMessageBean(subMessage); |
| } |
| |
| // Generate the Group Messages |
| for (FieldDescriptor field : m.getFields().values()) { |
| if( field.isGroup() ) { |
| generateMessageBean(field.getGroup()); |
| } |
| } |
| |
| // if( defferedUnmarshall ) { |
| // } |
| |
| // Generate the field accessors.. |
| for (FieldDescriptor field : m.getFields().values()) { |
| generateFieldAccessor(className, field); |
| } |
| |
| generateMethodAssertInitialized(m, className); |
| |
| generateMethodClear(m); |
| |
| p("public "+className+" clone() {"); |
| p(" return new "+className+"().mergeFrom(this);"); |
| p("}"); |
| p(); |
| |
| generateMethodMergeFromBean(m, className); |
| |
| generateMethodSerializedSize(m); |
| |
| generateMethodMergeFromStream(m, className); |
| |
| generateMethodWriteTo(m); |
| |
| generateMethodParseFrom(m, className); |
| |
| generateMethodToString(m); |
| |
| generateMethodVisitor(m); |
| |
| generateMethodType(m, className); |
| |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| /** |
| * If the java_visitor message option is set, then this method generates a visitor method. The option |
| * speifiies the class name of the visitor and optionally the return value and exceptions thrown by the visitor. |
| * |
| * Examples: |
| * |
| * option java_visitor = "org.apache.kahadb.store.Visitor"; |
| * generates: |
| * public void visit(org.apache.kahadb.store.Visitor visitor) { |
| * visitor.visit(this); |
| * } |
| * |
| * option java_visitor = "org.apache.kahadb.store.Visitor:int:java.io.IOException"; |
| * generates: |
| * public int visit(org.apache.kahadb.store.Visitor visitor) throws java.io.IOException { |
| * return visitor.visit(this); |
| * } |
| * |
| * @param m |
| */ |
| private void generateMethodVisitor(MessageDescriptor m) { |
| String javaVisitor = getOption(m.getOptions(), "java_visitor", null); |
| if( javaVisitor!=null ) { |
| String returns = "void"; |
| String throwsException = null; |
| |
| StringTokenizer st = new StringTokenizer(javaVisitor, ":"); |
| String vistorClass = st.nextToken(); |
| if( st.hasMoreTokens() ) { |
| returns = st.nextToken(); |
| } |
| if( st.hasMoreTokens() ) { |
| throwsException = st.nextToken(); |
| } |
| |
| String throwsClause = ""; |
| if( throwsException!=null ) { |
| throwsClause = "throws "+throwsException+" "; |
| } |
| |
| p("public "+returns+" visit("+vistorClass+" visitor) "+throwsClause+ "{"); |
| indent(); |
| if( "void".equals(returns) ) { |
| p("visitor.visit(this);"); |
| } else { |
| p("return visitor.visit(this);"); |
| } |
| unindent(); |
| p("}"); |
| p(); |
| } |
| } |
| |
| private void generateMethodType(MessageDescriptor m, String className) { |
| String typeEnum = getOption(m.getOptions(), "java_type_method", null); |
| if( typeEnum!=null ) { |
| |
| TypeDescriptor typeDescriptor = m.getType(typeEnum); |
| if( typeDescriptor == null ) { |
| typeDescriptor = m.getProtoDescriptor().getType(typeEnum); |
| } |
| if( typeDescriptor == null || !typeDescriptor.isEnum() ) { |
| errors.add("The java_type_method option on the "+m.getName()+" message does not point to valid enum type"); |
| return; |
| } |
| |
| |
| String constant = constantCase(className); |
| EnumDescriptor enumDescriptor = (EnumDescriptor)typeDescriptor; |
| if( enumDescriptor.getFields().get(constant) == null ) { |
| errors.add("The java_type_method option on the "+m.getName()+" message does not points to the "+typeEnum+" enum but it does not have an entry for "+constant); |
| } |
| |
| String type = javaType(typeDescriptor); |
| |
| p("public "+type+" type() {"); |
| indent(); |
| p("return "+type+"."+constant+";"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| } |
| |
| private void generateMethodParseFrom(MessageDescriptor m, String className) { |
| p("public static "+className+" parseUnframed(com.google.protobuf.CodedInputStream data) throws com.google.protobuf.InvalidProtocolBufferException, java.io.IOException {"); |
| indent(); |
| p("return new "+className+"().mergeUnframed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseUnframed(com.google.protobuf.ByteString data) throws com.google.protobuf.InvalidProtocolBufferException {"); |
| indent(); |
| p("return new "+className+"().mergeUnframed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseUnframed(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {"); |
| indent(); |
| p("return new "+className+"().mergeUnframed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseUnframed(java.io.InputStream data) throws com.google.protobuf.InvalidProtocolBufferException, java.io.IOException {"); |
| indent(); |
| p("return new "+className+"().mergeUnframed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseFramed(com.google.protobuf.CodedInputStream data) throws com.google.protobuf.InvalidProtocolBufferException, java.io.IOException {"); |
| indent(); |
| p("return new "+className+"().mergeFramed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseFramed(com.google.protobuf.ByteString data) throws com.google.protobuf.InvalidProtocolBufferException {"); |
| indent(); |
| p("return new "+className+"().mergeFramed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseFramed(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {"); |
| indent(); |
| p("return new "+className+"().mergeFramed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public static "+className+" parseFramed(java.io.InputStream data) throws com.google.protobuf.InvalidProtocolBufferException, java.io.IOException {"); |
| indent(); |
| p("return new "+className+"().mergeFramed(data).checktInitialized();"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| /** |
| * @param m |
| */ |
| private void generateMethodSerializedSize(MessageDescriptor m) { |
| p("public int serializedSizeUnframed() {"); |
| indent(); |
| p("if (memoizedSerializedSize != -1)"); |
| p(" return memoizedSerializedSize;"); |
| p(); |
| p("int size = 0;"); |
| for (FieldDescriptor field : m.getFields().values()) { |
| |
| String uname = uCamel(field.getName()); |
| String getter="get"+uname+"()"; |
| String type = javaType(field); |
| p("if (has"+uname+"()) {"); |
| indent(); |
| |
| if( field.getRule() == FieldDescriptor.REPEATED_RULE ) { |
| p("for ("+type+" i : get"+uname+"List()) {"); |
| indent(); |
| getter = "i"; |
| } |
| |
| if( field.getType()==FieldDescriptor.STRING_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeStringSize("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.BYTES_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeBytesSize("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.BOOL_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeBoolSize("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.DOUBLE_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeDoubleSize("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FLOAT_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeFloatSize("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.INT32_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeInt32Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.INT64_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeInt64Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SINT32_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeSInt32Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SINT64_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeSInt64Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.UINT32_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeUInt32Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.UINT64_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeUInt64Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FIXED32_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeFixed32Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FIXED64_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeFixed64Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SFIXED32_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeSFixed32Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SFIXED64_TYPE ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeSFixed64Size("+field.getTag()+", "+getter+");"); |
| } else if( field.getTypeDescriptor().isEnum() ) { |
| p("size += com.google.protobuf.CodedOutputStream.computeEnumSize("+field.getTag()+", "+getter+".getNumber());"); |
| } else if ( field.getGroup()!=null ) { |
| p("size += computeGroupSize("+field.getTag()+", "+getter+");"); |
| } else { |
| p("size += computeMessageSize("+field.getTag()+", "+getter+");"); |
| } |
| if( field.getRule() == FieldDescriptor.REPEATED_RULE ) { |
| unindent(); |
| p("}"); |
| } |
| //TODO: finish this up. |
| unindent(); |
| p("}"); |
| |
| } |
| // TODO: handle unknown fields |
| // size += getUnknownFields().getSerializedSize();"); |
| p("memoizedSerializedSize = size;"); |
| p("return size;"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| /** |
| * @param m |
| */ |
| private void generateMethodWriteTo(MessageDescriptor m) { |
| p("public void writeUnframed(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {"); |
| indent(); |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| String getter="get"+uname+"()"; |
| String type = javaType(field); |
| p("if (has"+uname+"()) {"); |
| indent(); |
| |
| if( field.getRule() == FieldDescriptor.REPEATED_RULE ) { |
| p("for ("+type+" i : get"+uname+"List()) {"); |
| indent(); |
| getter = "i"; |
| } |
| |
| if( field.getType()==FieldDescriptor.STRING_TYPE ) { |
| p("output.writeString("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.BYTES_TYPE ) { |
| p("output.writeBytes("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.BOOL_TYPE ) { |
| p("output.writeBool("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.DOUBLE_TYPE ) { |
| p("output.writeDouble("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FLOAT_TYPE ) { |
| p("output.writeFloat("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.INT32_TYPE ) { |
| p("output.writeInt32("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.INT64_TYPE ) { |
| p("output.writeInt64("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SINT32_TYPE ) { |
| p("output.writeSInt32("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SINT64_TYPE ) { |
| p("output.writeSInt64("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.UINT32_TYPE ) { |
| p("output.writeUInt32("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.UINT64_TYPE ) { |
| p("output.writeUInt64("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FIXED32_TYPE ) { |
| p("output.writeFixed32("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.FIXED64_TYPE ) { |
| p("output.writeFixed64("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SFIXED32_TYPE ) { |
| p("output.writeSFixed32("+field.getTag()+", "+getter+");"); |
| } else if( field.getType()==FieldDescriptor.SFIXED64_TYPE ) { |
| p("output.writeSFixed64("+field.getTag()+", "+getter+");"); |
| } else if( field.getTypeDescriptor().isEnum() ) { |
| p("output.writeEnum("+field.getTag()+", "+getter+".getNumber());"); |
| } else if ( field.getGroup()!=null ) { |
| p("writeGroup(output, "+field.getTag()+", "+getter+");"); |
| } else { |
| p("writeMessage(output, "+field.getTag()+", "+getter+");"); |
| } |
| |
| if( field.getRule() == FieldDescriptor.REPEATED_RULE ) { |
| unindent(); |
| p("}"); |
| } |
| |
| //TODO: finish this up. |
| unindent(); |
| p("}"); |
| } |
| // TODO: handle unknown fields |
| // getUnknownFields().writeTo(output); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| /** |
| * @param m |
| * @param className |
| */ |
| private void generateMethodMergeFromStream(MessageDescriptor m, String className) { |
| p("public "+className+" mergeUnframed(com.google.protobuf.CodedInputStream input) throws java.io.IOException {"); |
| indent(); { |
| p("while (true) {"); |
| indent(); { |
| p("int tag = input.readTag();"); |
| p("if ((tag & 0x07) == 4) {"); |
| p(" return this;"); |
| p("}"); |
| |
| p("switch (tag) {"); |
| p("case 0:"); |
| p(" return this;"); |
| p("default: {"); |
| |
| p(" break;"); |
| p("}"); |
| |
| |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| String setter = "set"+uname; |
| boolean repeated = field.getRule() == FieldDescriptor.REPEATED_RULE; |
| if( repeated ) { |
| setter = "get"+uname+"List().add"; |
| } |
| if( field.getType()==FieldDescriptor.STRING_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_LENGTH_DELIMITED)+":"); |
| indent(); |
| p(setter+"(input.readString());"); |
| } else if( field.getType()==FieldDescriptor.BYTES_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_LENGTH_DELIMITED)+":"); |
| indent(); |
| p(setter+"(input.readBytes());"); |
| } else if( field.getType()==FieldDescriptor.BOOL_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readBool());"); |
| } else if( field.getType()==FieldDescriptor.DOUBLE_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED64)+":"); |
| indent(); |
| p(setter+"(input.readDouble());"); |
| } else if( field.getType()==FieldDescriptor.FLOAT_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED32)+":"); |
| indent(); |
| p(setter+"(input.readFloat());"); |
| } else if( field.getType()==FieldDescriptor.INT32_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readInt32());"); |
| } else if( field.getType()==FieldDescriptor.INT64_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readInt64());"); |
| } else if( field.getType()==FieldDescriptor.SINT32_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readSInt32());"); |
| } else if( field.getType()==FieldDescriptor.SINT64_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readSInt64());"); |
| } else if( field.getType()==FieldDescriptor.UINT32_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readUInt32());"); |
| } else if( field.getType()==FieldDescriptor.UINT64_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| p(setter+"(input.readUInt64());"); |
| } else if( field.getType()==FieldDescriptor.FIXED32_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED32)+":"); |
| indent(); |
| p(setter+"(input.readFixed32());"); |
| } else if( field.getType()==FieldDescriptor.FIXED64_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED64)+":"); |
| indent(); |
| p(setter+"(input.readFixed64());"); |
| } else if( field.getType()==FieldDescriptor.SFIXED32_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED32)+":"); |
| indent(); |
| p(setter+"(input.readSFixed32());"); |
| } else if( field.getType()==FieldDescriptor.SFIXED64_TYPE ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_FIXED64)+":"); |
| indent(); |
| p(setter+"(input.readSFixed64());"); |
| } else if( field.getTypeDescriptor().isEnum() ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_VARINT)+":"); |
| indent(); |
| String type = javaType(field); |
| p("{"); |
| indent(); |
| p("int t = input.readEnum();"); |
| p(""+type+" value = "+type+".valueOf(t);"); |
| p("if( value !=null ) {"); |
| indent(); |
| p(setter+"(value);"); |
| unindent(); |
| p("}"); |
| // TODO: else store it as an known |
| |
| unindent(); |
| p("}"); |
| |
| } else if ( field.getGroup()!=null ) { |
| p("case "+makeTag(field.getTag(), WIRETYPE_START_GROUP)+":"); |
| indent(); |
| String type = javaType(field); |
| if( repeated ) { |
| p(setter+"(readGroup(input, "+field.getTag()+", new "+type+"()));"); |
| } else { |
| p("if (has"+uname+"()) {"); |
| indent(); |
| p("readGroup(input, "+field.getTag()+", get"+uname+"());"); |
| unindent(); |
| p("} else {"); |
| indent(); |
| p(setter+"(readGroup(input, "+field.getTag()+",new "+type+"()));"); |
| unindent(); |
| p("}"); |
| } |
| p(""); |
| } else { |
| p("case "+makeTag(field.getTag(), WIRETYPE_LENGTH_DELIMITED)+":"); |
| indent(); |
| String type = javaType(field); |
| if( repeated ) { |
| p(setter+"(new "+type+"().mergeFramed(input));"); |
| } else { |
| p("if (has"+uname+"()) {"); |
| indent(); |
| p("get"+uname+"().mergeFramed(input);"); |
| unindent(); |
| p("} else {"); |
| indent(); |
| p(setter+"(new "+type+"().mergeFramed(input));"); |
| unindent(); |
| p("}"); |
| } |
| } |
| p("break;"); |
| unindent(); |
| } |
| p("}"); |
| } unindent(); |
| p("}"); |
| } unindent(); |
| p("}"); |
| } |
| |
| /** |
| * @param m |
| * @param className |
| */ |
| private void generateMethodMergeFromBean(MessageDescriptor m, String className) { |
| p("public "+className+" mergeFrom("+className+" other) {"); |
| indent(); |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| p("if (other.has"+uname+"()) {"); |
| indent(); |
| |
| if( field.isScalarType() || field.getTypeDescriptor().isEnum() ) { |
| if( field.isRepeated() ) { |
| p("get"+uname+"List().addAll(other.get"+uname+"List());"); |
| } else { |
| p("set"+uname+"(other.get"+uname+"());"); |
| } |
| } else { |
| |
| String type = javaType(field); |
| // It's complex type... |
| if( field.isRepeated() ) { |
| p("for("+type+" element: other.get"+uname+"List() ) {"); |
| indent(); |
| p("get"+uname+"List().add(element.clone());"); |
| unindent(); |
| p("}"); |
| } else { |
| p("if (has"+uname+"()) {"); |
| indent(); |
| p("get"+uname+"().mergeFrom(other.get"+uname+"());"); |
| unindent(); |
| p("} else {"); |
| indent(); |
| p("set"+uname+"(other.get"+uname+"().clone());"); |
| unindent(); |
| p("}"); |
| } |
| } |
| unindent(); |
| p("}"); |
| } |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| /** |
| * @param m |
| */ |
| private void generateMethodClear(MessageDescriptor m) { |
| p("public final void clear() {"); |
| indent(); |
| p("memoizedSerializedSize=-1;"); |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| p("clear" + uname + "();"); |
| } |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| private void generateMethodAssertInitialized(MessageDescriptor m, String className) { |
| |
| |
| |
| p("public final boolean isInitialized() {"); |
| indent(); |
| p("return missingFields().isEmpty();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public final "+className+" assertInitialized() throws org.apache.activemq.protobuf.UninitializedMessageException {"); |
| indent(); |
| p("java.util.ArrayList<String> missingFields = missingFields();"); |
| p("if( !missingFields.isEmpty()) {"); |
| indent(); |
| p("throw new org.apache.activemq.protobuf.UninitializedMessageException(missingFields);"); |
| unindent(); |
| p("}"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("private final "+className+" checktInitialized() throws com.google.protobuf.InvalidProtocolBufferException {"); |
| indent(); |
| p("java.util.ArrayList<String> missingFields = missingFields();"); |
| p("if( !missingFields.isEmpty()) {"); |
| indent(); |
| p("throw new org.apache.activemq.protobuf.UninitializedMessageException(missingFields).asInvalidProtocolBufferException();"); |
| unindent(); |
| p("}"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public final java.util.ArrayList<String> missingFields() {"); |
| indent(); |
| p("java.util.ArrayList<String> missingFields = new java.util.ArrayList<String>();"); |
| |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| if( field.isRequired() ) { |
| p("if( !has" + uname + "() ) {"); |
| indent(); |
| p("missingFields.add(\""+field.getName()+"\");"); |
| unindent(); |
| p("}"); |
| } |
| } |
| |
| for (FieldDescriptor field : m.getFields().values()) { |
| if( field.getTypeDescriptor()!=null && !field.getTypeDescriptor().isEnum()) { |
| String uname = uCamel(field.getName()); |
| p("if( has" + uname + "() ) {"); |
| indent(); |
| if( !field.isRepeated() ) { |
| p("try {"); |
| indent(); |
| p("get" + uname + "().assertInitialized();"); |
| unindent(); |
| p("} catch (org.apache.activemq.protobuf.UninitializedMessageException e){"); |
| indent(); |
| p("missingFields.addAll(prefix(e.getMissingFields(),\""+field.getName()+".\"));"); |
| unindent(); |
| p("}"); |
| } else { |
| String type = javaCollectionType(field); |
| p("java.util.List<"+type+"> l = get" + uname + "List();"); |
| p("for( int i=0; i < l.size(); i++ ) {"); |
| indent(); |
| p("try {"); |
| indent(); |
| p("l.get(i).assertInitialized();"); |
| unindent(); |
| p("} catch (org.apache.activemq.protobuf.UninitializedMessageException e){"); |
| indent(); |
| p("missingFields.addAll(prefix(e.getMissingFields(),\""+field.getName()+"[\"+i+\"]\"));"); |
| unindent(); |
| p("}"); |
| unindent(); |
| p("}"); |
| } |
| unindent(); |
| p("}"); |
| } |
| } |
| p("return missingFields;"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| private void generateMethodToString(MessageDescriptor m) { |
| |
| p("public String toString() {"); |
| indent(); |
| p("return toString(new java.lang.StringBuilder(), \"\").toString();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public java.lang.StringBuilder toString(java.lang.StringBuilder sb, String prefix) {"); |
| indent(); |
| |
| for (FieldDescriptor field : m.getFields().values()) { |
| String uname = uCamel(field.getName()); |
| p("if( has" + uname + "() ) {"); |
| indent(); |
| if( field.isRepeated() ) { |
| String type = javaCollectionType(field); |
| p("java.util.List<"+type+"> l = get" + uname + "List();"); |
| p("for( int i=0; i < l.size(); i++ ) {"); |
| indent(); |
| if( field.getTypeDescriptor()!=null && !field.getTypeDescriptor().isEnum()) { |
| p("sb.append(prefix+\""+field.getName()+"[\"+i+\"] {\\n\");"); |
| p("l.get(i).toString(sb, prefix+\" \");"); |
| p("sb.append(\"}\\n\");"); |
| } else { |
| p("sb.append(prefix+\""+field.getName()+"[\"+i+\"]: \");"); |
| p("sb.append(l.get(i));"); |
| p("sb.append(\"\\n\");"); |
| } |
| unindent(); |
| p("}"); |
| } else { |
| if( field.getTypeDescriptor()!=null && !field.getTypeDescriptor().isEnum()) { |
| p("sb.append(prefix+\""+field.getName()+" {\\n\");"); |
| p("get" + uname + "().toString(sb, prefix+\" \");"); |
| p("sb.append(\"}\\n\");"); |
| } else { |
| p("sb.append(prefix+\""+field.getName()+": \");"); |
| p("sb.append(get" + uname + "());"); |
| p("sb.append(\"\\n\");"); |
| } |
| } |
| unindent(); |
| p("}"); |
| } |
| |
| |
| p("return sb;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| } |
| |
| /** |
| * @param field |
| * @param className |
| */ |
| private void generateFieldAccessor(String className, FieldDescriptor field) { |
| |
| String lname = lCamel(field.getName()); |
| String uname = uCamel(field.getName()); |
| String type = field.getRule()==FieldDescriptor.REPEATED_RULE ? javaCollectionType(field):javaType(field); |
| String typeDefault = javaTypeDefault(field); |
| boolean primitive = field.getTypeDescriptor()==null || field.getTypeDescriptor().isEnum(); |
| boolean repeated = field.getRule()==FieldDescriptor.REPEATED_RULE; |
| |
| // Create the fields.. |
| p("// " + field.getRule() + " " + field.getType() + " " + field.getName() + " = " + field.getTag() + ";"); |
| |
| if( repeated ) { |
| p("private java.util.List<" + type + "> f_" + lname + ";"); |
| p(); |
| |
| // Create the field accessors |
| p("public boolean has" + uname + "() {"); |
| indent(); |
| p("return this.f_" + lname + "!=null && !this.f_" + lname + ".isEmpty();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public java.util.List<" + type + "> get" + uname + "List() {"); |
| indent(); |
| p("if( this.f_" + lname + " == null ) {"); |
| indent(); |
| p("this.f_" + lname + " = new java.util.ArrayList<" + type + ">();"); |
| unindent(); |
| p("}"); |
| p("return this.f_" + lname + ";"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public "+className+" set" + uname + "List(java.util.List<" + type + "> " + lname + ") {"); |
| indent(); |
| p("this.f_" + lname + " = " + lname + ";"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public int get" + uname + "Count() {"); |
| indent(); |
| p("if( this.f_" + lname + " == null ) {"); |
| indent(); |
| p("return 0;"); |
| unindent(); |
| p("}"); |
| p("return this.f_" + lname + ".size();"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public " + type + " get" + uname + "(int index) {"); |
| indent(); |
| p("if( this.f_" + lname + " == null ) {"); |
| indent(); |
| p("return null;"); |
| unindent(); |
| p("}"); |
| p("return this.f_" + lname + ".get(index);"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public "+className+" set" + uname + "(int index, " + type + " value) {"); |
| indent(); |
| p("get" + uname + "List().set(index, value);"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public "+className+" add" + uname + "(" + type + " value) {"); |
| indent(); |
| p("get" + uname + "List().add(value);"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public "+className+" addAll" + uname + "(java.lang.Iterable<? extends " + type + "> collection) {"); |
| indent(); |
| p("super.addAll(collection, get" + uname + "List());"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public void clear" + uname + "() {"); |
| indent(); |
| p("this.f_" + lname + " = null;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| } else { |
| |
| p("private " + type + " f_" + lname + " = "+typeDefault+";"); |
| if (primitive) { |
| p("private boolean b_" + lname + ";"); |
| } |
| p(); |
| |
| // Create the field accessors |
| p("public boolean has" + uname + "() {"); |
| indent(); |
| if (primitive) { |
| p("return this.b_" + lname + ";"); |
| } else { |
| p("return this.f_" + lname + "!=null;"); |
| } |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public " + type + " get" + uname + "() {"); |
| indent(); |
| if( field.getTypeDescriptor()!=null && !field.getTypeDescriptor().isEnum()) { |
| p("if( this.f_" + lname + " == null ) {"); |
| indent(); |
| p("this.f_" + lname + " = new " + type + "();"); |
| unindent(); |
| p("}"); |
| } |
| p("return this.f_" + lname + ";"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public "+className+" set" + uname + "(" + type + " " + lname + ") {"); |
| indent(); |
| if (primitive) { |
| p("this.b_" + lname + " = true;"); |
| } |
| p("this.f_" + lname + " = " + lname + ";"); |
| p("return this;"); |
| unindent(); |
| p("}"); |
| p(); |
| |
| p("public void clear" + uname + "() {"); |
| indent(); |
| if (primitive) { |
| p("this.b_" + lname + " = false;"); |
| } |
| p("this.f_" + lname + " = " + typeDefault + ";"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| } |
| |
| private String javaTypeDefault(FieldDescriptor field) { |
| OptionDescriptor defaultOption = field.getOptions().get("default"); |
| if( defaultOption!=null ) { |
| if( field.isStringType() ) { |
| return asJavaString(defaultOption.getValue()); |
| } else if( field.getType() == FieldDescriptor.BYTES_TYPE ) { |
| return "com.google.protobuf.ByteString.copyFromUtf8("+asJavaString(defaultOption.getValue())+")"; |
| } else if( field.isInteger32Type() ) { |
| int v; |
| if( field.getType() == FieldDescriptor.UINT32_TYPE ) { |
| v = TextFormat.parseUInt32(defaultOption.getValue()); |
| } else { |
| v = TextFormat.parseInt32(defaultOption.getValue()); |
| } |
| return ""+v; |
| } else if( field.isInteger64Type() ) { |
| long v; |
| if( field.getType() == FieldDescriptor.UINT64_TYPE ) { |
| v = TextFormat.parseUInt64(defaultOption.getValue()); |
| } else { |
| v = TextFormat.parseInt64(defaultOption.getValue()); |
| } |
| return ""+v+"l"; |
| } else if( field.getType() == FieldDescriptor.DOUBLE_TYPE ) { |
| double v = Double.valueOf(defaultOption.getValue()); |
| return ""+v+"d"; |
| } else if( field.getType() == FieldDescriptor.FLOAT_TYPE ) { |
| float v = Float.valueOf(defaultOption.getValue()); |
| return ""+v+"f"; |
| } else if( field.getType() == FieldDescriptor.BOOL_TYPE ) { |
| boolean v = Boolean.valueOf(defaultOption.getValue()); |
| return ""+v; |
| } else if( field.getTypeDescriptor()!=null && field.getTypeDescriptor().isEnum() ) { |
| return javaType(field)+"."+defaultOption.getValue(); |
| } |
| return defaultOption.getValue(); |
| } else { |
| if( field.isNumberType() ) { |
| return "0"; |
| } |
| if( field.getType() == FieldDescriptor.BOOL_TYPE ) { |
| return "false"; |
| } |
| return "null"; |
| } |
| } |
| |
| static final char HEX_TABLE[] = new char[]{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; |
| |
| private String asJavaString(String value) { |
| StringBuilder sb = new StringBuilder(value.length()+2); |
| sb.append("\""); |
| for (int i = 0; i < value.length(); i++) { |
| |
| char b = value.charAt(i); |
| switch (b) { |
| // Java does not recognize \a or \v, apparently. |
| case '\b': sb.append("\\b" ); break; |
| case '\f': sb.append("\\f" ); break; |
| case '\n': sb.append("\\n" ); break; |
| case '\r': sb.append("\\r" ); break; |
| case '\t': sb.append("\\t" ); break; |
| case '\\': sb.append("\\\\"); break; |
| case '\'': sb.append("\\\'"); break; |
| case '"' : sb.append("\\\""); break; |
| default: |
| if (b >= 0x20 && b <'Z') { |
| sb.append((char) b); |
| } else { |
| sb.append("\\u"); |
| sb.append(HEX_TABLE[(b >>> 12) & 0x0F] ); |
| sb.append(HEX_TABLE[(b >>> 8) & 0x0F] ); |
| sb.append(HEX_TABLE[(b >>> 4) & 0x0F] ); |
| sb.append(HEX_TABLE[b & 0x0F] ); |
| } |
| break; |
| } |
| |
| } |
| sb.append("\""); |
| return sb.toString(); |
| } |
| |
| private void generateEnum(EnumDescriptor ed) { |
| String uname = uCamel(ed.getName()); |
| |
| String staticOption = "static "; |
| if( multipleFiles && ed.getParent()==null ) { |
| staticOption=""; |
| } |
| |
| // TODO Auto-generated method stub |
| p(); |
| p("public "+staticOption+"enum " +uname + " {"); |
| indent(); |
| |
| |
| p(); |
| int counter=0; |
| for (EnumFieldDescriptor field : ed.getFields().values()) { |
| boolean last = counter+1 == ed.getFields().size(); |
| p(field.getName()+"(\""+field.getName()+"\", "+field.getValue()+")"+(last?";":",")); |
| counter++; |
| } |
| p(); |
| p("private final String name;"); |
| p("private final int value;"); |
| p(); |
| p("private "+uname+"(String name, int value) {"); |
| p(" this.name = name;"); |
| p(" this.value = value;"); |
| p("}"); |
| p(); |
| p("public final int getNumber() {"); |
| p(" return value;"); |
| p("}"); |
| p(); |
| p("public final String toString() {"); |
| p(" return name;"); |
| p("}"); |
| p(); |
| p("public static "+uname+" valueOf(int value) {"); |
| p(" switch (value) {"); |
| |
| // It's possible to define multiple ENUM fields with the same value.. |
| // we only want to put the first one into the switch statement. |
| HashSet<Integer> values = new HashSet<Integer>(); |
| for (EnumFieldDescriptor field : ed.getFields().values()) { |
| if( !values.contains(field.getValue()) ) { |
| p(" case "+field.getValue()+":"); |
| p(" return "+field.getName()+";"); |
| values.add(field.getValue()); |
| } |
| |
| } |
| p(" default:"); |
| p(" return null;"); |
| p(" }"); |
| p("}"); |
| p(); |
| |
| |
| String createMessage = getOption(ed.getOptions(), "java_create_message", null); |
| if( "true".equals(createMessage) ) { |
| p("public final org.apache.activemq.protobuf.Message createMessage() {"); |
| indent(); |
| p("switch (this) {"); |
| indent(); |
| for (EnumFieldDescriptor field : ed.getFields().values()) { |
| p("case "+field.getName()+":"); |
| String type = constantToUCamelCase(field.getName()); |
| p(" return new "+type+"();"); |
| } |
| p("default:"); |
| p(" return null;"); |
| unindent(); |
| p("}"); |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| unindent(); |
| p("}"); |
| p(); |
| } |
| |
| |
| |
| private String javaCollectionType(FieldDescriptor field) { |
| if( field.isInteger32Type() ) { |
| return "java.lang.Integer"; |
| } |
| if( field.isInteger64Type() ) { |
| return "java.lang.Long"; |
| } |
| if( field.getType() == FieldDescriptor.DOUBLE_TYPE ) { |
| return "java.lang.Double"; |
| } |
| if( field.getType() == FieldDescriptor.FLOAT_TYPE ) { |
| return "java.lang.Float"; |
| } |
| if( field.getType() == FieldDescriptor.STRING_TYPE ) { |
| return "java.lang.String"; |
| } |
| if( field.getType() == FieldDescriptor.BYTES_TYPE ) { |
| return "com.google.protobuf.ByteString"; |
| } |
| if( field.getType() == FieldDescriptor.BOOL_TYPE ) { |
| return "java.lang.Boolean"; |
| } |
| |
| TypeDescriptor descriptor = field.getTypeDescriptor(); |
| return javaType(descriptor); |
| } |
| |
| private String javaType(FieldDescriptor field) { |
| if( field.isInteger32Type() ) { |
| return "int"; |
| } |
| if( field.isInteger64Type() ) { |
| return "long"; |
| } |
| if( field.getType() == FieldDescriptor.DOUBLE_TYPE ) { |
| return "double"; |
| } |
| if( field.getType() == FieldDescriptor.FLOAT_TYPE ) { |
| return "float"; |
| } |
| if( field.getType() == FieldDescriptor.STRING_TYPE ) { |
| return "java.lang.String"; |
| } |
| if( field.getType() == FieldDescriptor.BYTES_TYPE ) { |
| return "com.google.protobuf.ByteString"; |
| } |
| if( field.getType() == FieldDescriptor.BOOL_TYPE ) { |
| return "boolean"; |
| } |
| |
| TypeDescriptor descriptor = field.getTypeDescriptor(); |
| return javaType(descriptor); |
| } |
| |
| private String javaType(TypeDescriptor descriptor) { |
| ProtoDescriptor p = descriptor.getProtoDescriptor(); |
| if( p != proto ) { |
| // Try to keep it short.. |
| String othePackage = javaPackage(p); |
| if( equals(othePackage,javaPackage(proto) ) ) { |
| return javaClassName(p)+"."+descriptor.getQName(); |
| } |
| // Use the fully qualified class name. |
| return othePackage+"."+javaClassName(p)+"."+descriptor.getQName(); |
| } |
| return descriptor.getQName(); |
| } |
| |
| private boolean equals(String o1, String o2) { |
| if( o1==o2 ) |
| return true; |
| if( o1==null || o2==null ) |
| return false; |
| return o1.equals(o2); |
| } |
| |
| private String javaClassName(ProtoDescriptor proto) { |
| return getOption(proto.getOptions(), "java_outer_classname", uCamel(removeFileExtension(proto.getName()))); |
| } |
| |
| private boolean isMultipleFilesEnabled(ProtoDescriptor proto) { |
| return "true".equals(getOption(proto.getOptions(), "java_multiple_files", "false")); |
| } |
| |
| |
| private String javaPackage(ProtoDescriptor proto) { |
| String name = proto.getPackageName(); |
| if( name!=null ) { |
| name = name.replace('-', '.'); |
| name = name.replace('/', '.'); |
| } |
| return getOption(proto.getOptions(), "java_package", name); |
| } |
| |
| |
| // ---------------------------------------------------------------- |
| // Internal Helper methods |
| // ---------------------------------------------------------------- |
| |
| private void indent() { |
| indent++; |
| } |
| |
| private void unindent() { |
| indent--; |
| } |
| |
| private void p(String line) { |
| // Indent... |
| for (int i = 0; i < indent; i++) { |
| w.print(" "); |
| } |
| // Then print. |
| w.println(line); |
| } |
| |
| private void p() { |
| w.println(); |
| } |
| |
| private String getOption(Map<String, OptionDescriptor> options, String optionName, String defaultValue) { |
| OptionDescriptor optionDescriptor = options.get(optionName); |
| if (optionDescriptor == null) { |
| return defaultValue; |
| } |
| return optionDescriptor.getValue(); |
| } |
| |
| static private String removeFileExtension(String name) { |
| return name.replaceAll("\\..*", ""); |
| } |
| |
| static private String uCamel(String name) { |
| boolean upNext=true; |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < name.length(); i++) { |
| char c = name.charAt(i); |
| if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) { |
| if( upNext ) { |
| c = Character.toUpperCase(c); |
| upNext=false; |
| } |
| sb.append(c); |
| } else { |
| upNext=true; |
| } |
| } |
| return sb.toString(); |
| } |
| |
| static private String lCamel(String name) { |
| if( name == null || name.length()<1 ) |
| return name; |
| String uCamel = uCamel(name); |
| return uCamel.substring(0,1).toLowerCase()+uCamel.substring(1); |
| } |
| |
| |
| private String constantToUCamelCase(String name) { |
| boolean upNext=true; |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < name.length(); i++) { |
| char c = name.charAt(i); |
| if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) { |
| if( upNext ) { |
| c = Character.toUpperCase(c); |
| upNext=false; |
| } else { |
| c = Character.toLowerCase(c); |
| } |
| sb.append(c); |
| } else { |
| upNext=true; |
| } |
| } |
| return sb.toString(); |
| } |
| |
| |
| private String constantCase(String name) { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < name.length(); i++) { |
| char c = name.charAt(i); |
| if( i!=0 ) { |
| if( Character.isUpperCase(c) ) { |
| sb.append("_"); |
| } |
| } |
| sb.append(Character.toUpperCase(c)); |
| } |
| return sb.toString(); |
| } |
| |
| public File getOut() { |
| return out; |
| } |
| |
| public void setOut(File outputDirectory) { |
| this.out = outputDirectory; |
| } |
| |
| public File[] getPath() { |
| return path; |
| } |
| |
| public void setPath(File[] path) { |
| this.path = path; |
| } |
| |
| } |
