001/* 002 * (C) Copyright 2006-2016 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 * bstefanescu 018 */ 019package org.nuxeo.ecm.webengine.loader.store; 020 021import java.io.File; 022import java.io.FileInputStream; 023import java.io.IOException; 024import java.io.InputStream; 025import java.net.URL; 026 027import org.apache.commons.io.FileUtils; 028import org.apache.commons.io.IOUtils; 029import org.apache.commons.logging.Log; 030import org.apache.commons.logging.LogFactory; 031 032/** 033 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 034 */ 035public class FileResourceStore implements ResourceStore { 036 037 private static final Log log = LogFactory.getLog(FileResourceStore.class); 038 039 protected File root; 040 041 public FileResourceStore(File root) throws IOException { 042 this.root = root.getCanonicalFile(); 043 } 044 045 public File getRoot() { 046 return root; 047 } 048 049 public final File getFile(String name) { 050 return new File(root, name); 051 } 052 053 @Override 054 public boolean exists(String name) { 055 return getFile(name).exists(); 056 } 057 058 @Override 059 public long lastModified(String name) { 060 return getFile(name).lastModified(); 061 } 062 063 @Override 064 public URL getURL(String name) { 065 try { 066 File file = getFile(name); 067 if (file.exists()) { 068 return file.toURI().toURL(); 069 } 070 } catch (IOException e) { 071 log.error("Failed to transform file to URL: " + name, e); 072 } 073 return null; 074 } 075 076 @Override 077 public byte[] getBytes(String name) { 078 try (InputStream in = getStream(name)) { 079 if (in != null) { 080 return IOUtils.toByteArray(in); 081 } 082 } catch (IOException e) { 083 log.error("Failed to read file: " + name, e); 084 } 085 return null; 086 } 087 088 @Override 089 public InputStream getStream(String name) { 090 try { 091 return new FileInputStream(getFile(name)); 092 } catch (IOException e) { 093 } 094 return null; 095 } 096 097 @Override 098 public void remove(String name) { 099 getFile(name).delete(); 100 } 101 102 @Override 103 public void put(String name, byte[] data) throws IOException { 104 FileUtils.writeByteArrayToFile(getFile(name), data); 105 } 106 107 @Override 108 public void put(String name, InputStream data) throws IOException { 109 FileUtils.copyInputStreamToFile(data, getFile(name)); 110 } 111 112 @Override 113 public String getLocation() { 114 return root.toString(); 115 } 116 117 @Override 118 public boolean equals(Object obj) { 119 if (this == obj) { 120 return true; 121 } 122 if (obj instanceof FileResourceStore) { 123 FileResourceStore store = (FileResourceStore) obj; 124 return store.root.equals(root); 125 } 126 return false; 127 } 128 129 @Override 130 public int hashCode() { 131 return root.hashCode(); 132 } 133 134 @Override 135 public String toString() { 136 return "FileResourceStore: " + root; 137 } 138 139}