| /** |
| * 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.avro.compiler.specific; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| import org.apache.avro.AvroRuntimeException; |
| import org.apache.avro.Protocol; |
| import org.apache.avro.generic.GenericData.StringType; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.DirectoryScanner; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.types.FileSet; |
| |
| /** Ant task to generate Java interface and classes for a protocol. */ |
| public class ProtocolTask extends Task { |
| private File src; |
| private File dest = new File("."); |
| private StringType stringType = StringType.CharSequence; |
| |
| private final ArrayList<FileSet> filesets = new ArrayList<FileSet>(); |
| |
| /** Set the schema file. */ |
| public void setFile(File file) { this.src = file; } |
| |
| /** Set the output directory */ |
| public void setDestdir(File dir) { this.dest = dir; } |
| |
| /** Set the string type. */ |
| public void setStringType(StringType type) { this.stringType = type; } |
| |
| /** Get the string type. */ |
| public StringType getStringType() { return this.stringType; } |
| |
| /** Add a fileset. */ |
| public void addFileset(FileSet set) { filesets.add(set); } |
| |
| /** Run the compiler. */ |
| @Override |
| public void execute() { |
| if (src == null && filesets.size()==0) |
| throw new BuildException("No file or fileset specified."); |
| |
| if (src != null) |
| compile(src); |
| |
| Project myProject = getProject(); |
| for (int i = 0; i < filesets.size(); i++) { |
| FileSet fs = filesets.get(i); |
| DirectoryScanner ds = fs.getDirectoryScanner(myProject); |
| File dir = fs.getDir(myProject); |
| String[] srcs = ds.getIncludedFiles(); |
| for (int j = 0; j < srcs.length; j++) { |
| compile(new File(dir, srcs[j])); |
| } |
| } |
| } |
| |
| protected void doCompile(File src, File dir) throws IOException { |
| Protocol protocol = Protocol.parse(src); |
| SpecificCompiler compiler = new SpecificCompiler(protocol); |
| compiler.setStringType(getStringType()); |
| compiler.compileToDestination(src, dest); |
| } |
| |
| private void compile(File file) { |
| try { |
| doCompile(file, dest); |
| } catch (AvroRuntimeException e) { |
| throw new BuildException(e); |
| } catch (IOException e) { |
| throw new BuildException(e); |
| } |
| } |
| } |
| |