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/*
* 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.apache.tuscany.sca.domain.manager.impl;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import org.apache.tuscany.sca.data.collection.Entry;
import org.apache.tuscany.sca.data.collection.Item;
import org.apache.tuscany.sca.data.collection.ItemCollection;
import org.apache.tuscany.sca.data.collection.NotFoundException;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Property;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Scope;
import org.osoa.sca.annotations.Service;
/**
* Implementation of a file collection service component.
*
* @version $Rev$ $Date$
*/
@Scope("COMPOSITE")
@Service(ItemCollection.class)
public class FileCollectionImpl implements ItemCollection {
private static final Logger logger = Logger.getLogger(FileCollectionImpl.class.getName());
@Property
public String directoryName;
@Reference
public DomainManagerConfiguration domainManagerConfiguration;
/**
* Initialize the component.
*/
@Init
public void initialize() throws IOException {
}
public Entry<String, Item>[] getAll() {
logger.fine("getAll");
String rootDirectory = domainManagerConfiguration.getRootDirectory();
// Return all the files
List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>();
File directory = new File(rootDirectory + "/" + directoryName);
if (directory.exists()) {
for (File file: directory.listFiles()) {
if (file.getName().startsWith(".")) {
continue;
}
entries.add(entry(file.getName()));
}
}
return entries.toArray(new Entry[entries.size()]);
}
public Item get(String key) throws NotFoundException {
logger.fine("get " + key);
return item(key);
}
public String post(String key, Item item) {
throw new UnsupportedOperationException();
}
public void put(String key, Item item) throws NotFoundException {
throw new UnsupportedOperationException();
}
public void delete(String key) throws NotFoundException {
logger.fine("delete " + key);
String rootDirectory = domainManagerConfiguration.getRootDirectory();
File directory = new File(rootDirectory + "/" + directoryName);
File file = new File(directory, key);
if (file.exists()) {
file.delete();
} else {
throw new NotFoundException(key);
}
}
public Entry<String, Item>[] query(String queryString) {
throw new UnsupportedOperationException();
}
/**
* Returns an entry representing a file.
*
* @param fileName
* @return
*/
private static Entry<String, Item> entry(String fileName) {
Entry<String, Item> entry = new Entry<String, Item>();
entry.setKey(fileName);
entry.setData(item(fileName));
return entry;
}
/**
* Returns an item representing a file.
*
* @param fileName
* @return
*/
private static Item item(String fileName) {
Item item = new Item();
item.setTitle(fileName);
item.setLink("/files/" + fileName);
return item;
}
}
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