/*
* Copyright 2010 Alibaba Group Holding Limited.
* All rights reserved.
*
* Licensed 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 com.alibaba.antx.config.resource.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import com.alibaba.antx.config.ConfigException;
import com.alibaba.antx.config.resource.Resource;
import com.alibaba.antx.config.resource.ResourceNotFoundException;
import com.alibaba.antx.config.resource.ResourceURI;
import com.alibaba.antx.config.resource.Session;
import com.alibaba.antx.util.StreamUtil;
public class FileResource extends Resource {
private File file;
public FileResource(Session session, ResourceURI uri) {
super(session, uri);
this.file = uri.getFile();
}
public Resource getRelatedResource(String suburi) {
return new FileResource(getSession(), getURI().getSubURI(suburi));
}
public byte[] getContent() {
try {
return StreamUtil.readBytes(getInputStream(), true).toByteArray();
} catch (IOException e) {
throw new ConfigException(e);
}
}
public InputStream getInputStream() {
try {
return new FileInputStream(file);
} catch (FileNotFoundException e) {
throw new ResourceNotFoundException(e);
}
}
public OutputStream getOutputStream() {
try {
return new FileOutputStream(file);
} catch (FileNotFoundException e) {
throw new ResourceNotFoundException(e);
}
}
public boolean isDirectory() {
return file.isDirectory();
}
public List list() {
if (!isDirectory()) {
return null;
}
File[] subfiles = file.listFiles();
List files = new ArrayList(subfiles.length);
for (int i = 0; i < subfiles.length; i++) {
File subfile = subfiles[i];
FileResource resource = new FileResource(getSession(), new ResourceURI(subfile.toURI(), getSession()));
files.add(resource);
}
Collections.sort(files);
return files;
}
}