001/* 002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thierry Delprat 018 */ 019package org.nuxeo.apidoc.introspection; 020 021import java.io.BufferedInputStream; 022import java.io.DataInputStream; 023import java.io.File; 024import java.io.FileInputStream; 025import java.io.FileNotFoundException; 026import java.io.IOException; 027import java.util.ArrayList; 028import java.util.HashMap; 029import java.util.List; 030import java.util.Map; 031 032import org.apache.commons.logging.Log; 033import org.apache.commons.logging.LogFactory; 034 035public class BundleIdReader { 036 037 private static final Log log = LogFactory.getLog(BundleIdReader.class); 038 039 protected final Map<String, Long> ids = new HashMap<String, Long>(); 040 041 @SuppressWarnings("unused") 042 private long count = 0; 043 044 public synchronized void load(File file) { 045 DataInputStream in = null; 046 try { 047 in = new DataInputStream(new BufferedInputStream(new FileInputStream(file))); 048 count = in.readLong(); 049 int size = in.readInt(); 050 for (int i = 0; i < size; i++) { 051 String key = in.readUTF(); 052 long id = in.readLong(); 053 ids.put(key, Long.valueOf(id)); 054 } 055 } catch (FileNotFoundException e) { 056 // do nothing - this is the first time the runtime is started 057 } catch (IOException e) { 058 log.error("The bundle.ids file is corrupted. Resetting bundle ids."); 059 } finally { 060 if (in != null) { 061 try { 062 in.close(); 063 } catch (IOException e) { 064 } 065 } 066 } 067 } 068 069 public List<String> getBundleNames() { 070 List<String> names = new ArrayList<String>(); 071 names.addAll(ids.keySet()); 072 return names; 073 } 074 075}