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Liferay Dynamic Data Lists Service
/*
* 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.commons.compress.changes;
import java.io.InputStream;
import org.apache.commons.compress.archivers.ArchiveEntry;
/**
* Change holds meta information about a change.
*
* @Immutable
*/
class Change {
private final String targetFile; // entry name to delete
private final ArchiveEntry entry; // new entry to add
private final InputStream input; // source for new entry
private final boolean replaceMode; // change should replaceMode existing entries
// Type of change
private final int type;
// Possible type values
static final int TYPE_DELETE = 1;
static final int TYPE_ADD = 2;
static final int TYPE_MOVE = 3; // NOT USED
static final int TYPE_DELETE_DIR = 4;
/**
* Constructor. Takes the file name of the file to be deleted
* from the stream as argument.
* @param fileName the file name of the file to delete
*/
Change(final String fileName, final int type) {
if(fileName == null) {
throw new NullPointerException();
}
this.targetFile = fileName;
this.type = type;
this.input = null;
this.entry = null;
this.replaceMode = true;
}
/**
* Construct a change which adds an entry.
*
* @param pEntry the entry details
* @param pInput the InputStream for the entry data
*/
Change(final ArchiveEntry pEntry, final InputStream pInput, final boolean replace) {
if(pEntry == null || pInput == null) {
throw new NullPointerException();
}
this.entry = pEntry;
this.input = pInput;
type = TYPE_ADD;
targetFile = null;
this.replaceMode = replace;
}
ArchiveEntry getEntry() {
return entry;
}
InputStream getInput() {
return input;
}
String targetFile() {
return targetFile;
}
int type() {
return type;
}
boolean isReplaceMode() {
return replaceMode;
}
}