| /* |
| * 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.netbeans.modules.maven.osgi.util; |
| |
| /** |
| * |
| * @author johnsonlau@netbeans.org |
| */ |
| public class PackageDefinitionUtil { |
| |
| /** |
| * Omits all directives in a package definition. |
| * |
| * @param definition Bnd package definition to operate on. |
| * @return the Bnd package definition without any directive. |
| */ |
| public static String omitDirectives(String definition) { |
| final StringBuilder sb = new StringBuilder(); |
| visitPackageDefinition(definition, new PackageDefinitionVisitor() { |
| |
| private boolean quoted = false; |
| |
| private boolean directive = false; |
| |
| @Override |
| public void startPattern() { |
| } |
| |
| @Override |
| public void endPattern() { |
| sb.append(","); |
| } |
| |
| @Override |
| public void startDirective() { |
| directive = true; |
| } |
| |
| @Override |
| public void endDirective() { |
| directive = false; |
| } |
| |
| @Override |
| public void startQuotedString() { |
| quoted = true; |
| } |
| |
| @Override |
| public void endQuotedString() { |
| quoted = false; |
| } |
| |
| @Override |
| public void onCharacter(char c) { |
| if (!quoted && !directive) { |
| sb.append(c); |
| } |
| } |
| |
| }); |
| int length = sb.length(); |
| return sb.substring(0, length > 0 ? length - 1 : length); |
| } |
| |
| public static void visitPackageDefinition(String definition, PackageDefinitionVisitor visitor) { |
| boolean pattern = false; |
| boolean quotedString = false; |
| boolean directive = false; |
| for (char c : definition.toCharArray()) { |
| if (c == '\"') { |
| quotedString = !quotedString; |
| if (quotedString) { |
| visitor.startQuotedString(); |
| } else { |
| visitor.endQuotedString(); |
| } |
| continue; |
| } |
| |
| if (!quotedString) { |
| if (c == ';') { |
| if (directive) { |
| visitor.endDirective(); |
| } |
| visitor.startDirective(); |
| directive = true; |
| continue; |
| |
| } else if (c == ',') { |
| if (directive) { |
| visitor.endDirective(); |
| } |
| if (pattern) { |
| visitor.endPattern(); |
| } |
| directive = false; |
| visitor.startPattern(); |
| pattern = true; |
| continue; |
| } |
| } |
| |
| if (!pattern) { |
| visitor.startPattern(); |
| pattern = true; |
| } |
| |
| visitor.onCharacter(c); |
| } |
| // If there is still unclosed quotation, close it |
| if (quotedString) { |
| visitor.endQuotedString(); |
| } |
| if (directive) { |
| visitor.endDirective(); |
| } |
| if (pattern) { |
| visitor.endPattern(); |
| } |
| } |
| |
| } |