| /* |
| * 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.ant.freeform; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.ant.freeform.spi.HelpIDFragmentProvider; |
| import org.openide.ErrorManager; |
| |
| /** |
| * Miscellaneous utilities. |
| * @author Jesse Glick |
| */ |
| public class Util { |
| |
| private Util() {} |
| |
| public static final ErrorManager err = ErrorManager.getDefault().getInstance("org.netbeans.modules.ant.freeform"); // NOI18N |
| |
| private static final Pattern VALIDATION = Pattern.compile("([A-Za-z0-9])+"); // NOI18N |
| |
| public static String getMergedHelpIDFragments(Project p) { |
| List<String> fragments = new ArrayList<String>(); |
| |
| for (HelpIDFragmentProvider provider : p.getLookup().lookupAll(HelpIDFragmentProvider.class)) { |
| String fragment = provider.getHelpIDFragment(); |
| |
| if (fragment == null || !VALIDATION.matcher(fragment).matches()) { |
| throw new IllegalStateException("HelpIDFragmentProvider \"" + provider + "\" provided invalid help ID fragment \"" + fragment + "\"."); // NOI18N |
| } |
| |
| fragments.add(fragment); |
| } |
| |
| Collections.sort(fragments); |
| |
| StringBuffer result = new StringBuffer(); |
| |
| for (Iterator<String> i = fragments.iterator(); i.hasNext(); ) { |
| result.append(i.next()); |
| |
| if (i.hasNext()) { |
| result.append('.'); |
| } |
| } |
| |
| return result.toString(); |
| } |
| |
| } |