001/* 002 * (C) Copyright 2012 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.template.processors.xdocreport; 020 021import java.io.IOException; 022import java.util.zip.ZipEntry; 023import java.util.zip.ZipInputStream; 024 025import org.nuxeo.ecm.core.api.Blob; 026 027/** 028 * @author <a href="mailto:tdelprat@nuxeo.com">Tiry</a> 029 */ 030public class ZipXmlHelper { 031 032 protected static final int BUFFER_SIZE = 1024 * 64; // 64K 033 034 public static final String OOO_MAIN_FILE = "content.xml"; 035 036 public static final String DOCX_MAIN_FILE = "word/document.xml"; 037 038 public static String readXMLContent(Blob blob, String filename) throws IOException { 039 ZipInputStream zIn = new ZipInputStream(blob.getStream()); 040 ZipEntry zipEntry = zIn.getNextEntry(); 041 String xmlContent = null; 042 while (zipEntry != null) { 043 if (zipEntry.getName().equals(filename)) { 044 StringBuilder sb = new StringBuilder(); 045 byte[] buffer = new byte[BUFFER_SIZE]; 046 int read; 047 while ((read = zIn.read(buffer)) != -1) { 048 sb.append(new String(buffer, 0, read)); 049 } 050 xmlContent = sb.toString(); 051 break; 052 } 053 zipEntry = zIn.getNextEntry(); 054 } 055 zIn.close(); 056 return xmlContent; 057 } 058 059}