/*
* 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.entry;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import com.alibaba.antx.config.ConfigException;
import com.alibaba.antx.config.ConfigResource;
import com.alibaba.antx.config.ConfigSettings;
import com.alibaba.antx.config.generator.ConfigGeneratorSession;
import com.alibaba.antx.config.generator.DirectoryCallback;
import com.alibaba.antx.util.scanner.DirectoryScanner;
import com.alibaba.antx.util.scanner.Scanner;
import com.alibaba.antx.util.scanner.ScannerException;
/**
* ����һ��Ŀ¼���͵���������Ϣ��
*
* @author Michael Zhou
*/
public class DirectoryConfigEntry extends ConfigEntry {
/**
* ����һ����㡣
*
* @param resource ָ��������Դ
* @param settings antxconfig������
*/
public DirectoryConfigEntry(ConfigResource resource, File outputFile, ConfigSettings settings) {
super(resource, outputFile, settings);
}
/**
* ɨ���㡣
*/
protected void scan(InputStream istream) {
Handler handler = new Handler();
Scanner scanner = new DirectoryScanner(getConfigEntryResource().getFile(), handler);
try {
scanner.scan();
} catch (ScannerException e) {
throw new ConfigException(e);
}
subEntries = handler.getSubEntries();
getGenerator().init();
}
/**
* ���������ļ���
*/
protected boolean generate(InputStream istream, OutputStream ostream) {
getConfigSettings().debug("Processing files in " + getConfigEntryResource().getURL());
boolean allSuccess = true;
// �����Լ���descriptors
try {
ConfigGeneratorSession session = getGenerator().startSession(getConfigSettings().getPropertiesSet());
allSuccess &= session.generate(new DirectoryCallback(getGenerator(), getOutputFile()));
} finally {
getGenerator().closeSession();
}
// ������entries
ConfigEntry[] subEntries = getSubEntries();
for (int i = 0; i < subEntries.length; i++) {
ConfigEntry subEntry = subEntries[i];
allSuccess &= subEntry.generate(null, null);
}
return allSuccess;
}
/**
* ת�����ַ�����
*
* @return �ַ�����ʾ
*/
public String toString() {
return "DirectoryConfigEntry[" + getConfigEntryResource() + "]";
}
}