/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2006 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.repository.zipreader;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.libraries.base.util.IOUtils;
import org.pentaho.reporting.libraries.repository.ContentCreationException;
import org.pentaho.reporting.libraries.repository.ContentEntity;
import org.pentaho.reporting.libraries.repository.ContentIOException;
import org.pentaho.reporting.libraries.repository.ContentItem;
import org.pentaho.reporting.libraries.repository.ContentLocation;
import org.pentaho.reporting.libraries.repository.LibRepositoryBoot;
import org.pentaho.reporting.libraries.repository.Repository;
import org.pentaho.reporting.libraries.repository.RepositoryUtilities;
import java.util.Date;
import java.util.HashMap;
import java.util.zip.ZipEntry;
/**
*
*
*/
public class ZipReadContentLocation implements ContentLocation {
private static final Log logger = LogFactory.getLog( ZipReadContentLocation.class );
private ZipReadRepository repository;
private ZipReadContentLocation parent;
private String comment;
private String name;
private long size;
private long time;
private String entryName;
private HashMap entries;
public ZipReadContentLocation( final ZipReadRepository repository,
final ZipReadContentLocation parent,
final String entryName ) {
if ( repository == null ) {
throw new NullPointerException();
}
if ( entryName == null ) {
throw new NullPointerException();
}
this.repository = repository;
this.parent = parent;
this.entryName = entryName;
this.entries = new HashMap();
this.name = RepositoryUtilities.buildName( this, "/" ) + '/';
}
public ZipReadContentLocation( ZipReadRepository repository, ZipReadContentLocation parent, ZipEntry zipEntry ) {
if ( repository == null ) {
throw new NullPointerException();
}
if ( parent == null ) {
throw new NullPointerException();
}
if ( zipEntry == null ) {
throw new NullPointerException();
}
this.repository = repository;
this.parent = parent;
this.comment = zipEntry.getComment();
this.size = zipEntry.getSize();
this.time = zipEntry.getTime();
this.entries = new HashMap();
this.entryName = IOUtils.getInstance().getFileName( zipEntry.getName() );
this.name = RepositoryUtilities.buildName( this, "/" ) + '/';
}
private void updateMetaData( final ZipEntry zipEntry ) {
this.comment = zipEntry.getComment();
this.size = zipEntry.getSize();
this.time = zipEntry.getTime();
}
public void updateDirectoryEntry( final String[] name, final int index, final ZipEntry zipEntry ) {
if ( name == null ) {
throw new NullPointerException();
}
if ( zipEntry == null ) {
throw new NullPointerException();
}
final String path = name[ index ];
final Object entry = entries.get( path );
if ( entry instanceof ContentItem ) {
logger.warn( "Directory-Entry with the same name as a Content-Entry encountered: " + path );
return;
}
final ZipReadContentLocation location;
if ( entry == null ) {
location = new ZipReadContentLocation( repository, this, path );
entries.put( path, location );
} else {
location = (ZipReadContentLocation) entry;
}
final int nextNameIdx = index + 1;
if ( nextNameIdx < name.length ) {
location.updateDirectoryEntry( name, nextNameIdx, zipEntry );
} else if ( nextNameIdx == name.length ) {
location.updateMetaData( zipEntry );
}
}
public void updateEntry( final String[] name, final int index, final ZipEntry zipEntry, final byte[] data ) {
if ( name == null ) {
throw new NullPointerException();
}
if ( zipEntry == null ) {
throw new NullPointerException();
}
if ( data == null ) {
throw new NullPointerException();
}
final String path = name[ index ];
final Object entry = entries.get( path );
final int nextNameIdx = index + 1;
if ( nextNameIdx < name.length ) {
if ( entry instanceof ContentItem ) {
logger.warn( "Directory-Entry with the same name as a Content-Entry encountered: " + path );
return;
}
final ZipReadContentLocation location;
if ( entry == null ) {
location = new ZipReadContentLocation( repository, this, path );
entries.put( path, location );
} else {
location = (ZipReadContentLocation) entry;
}
if ( nextNameIdx < name.length ) {
location.updateEntry( name, nextNameIdx, zipEntry, data );
}
} else if ( nextNameIdx == name.length ) {
if ( entry instanceof ContentItem ) {
logger.warn( "Duplicate Content-Entry encountered: " + path );
return;
} else if ( entry != null ) {
logger.warn( "Replacing Directory-Entry with the same name as a Content-Entry: " + path );
}
final ZipReadContentItem contentItem = new ZipReadContentItem( repository, this, zipEntry, data );
entries.put( path, contentItem );
}
}
public ContentEntity[] listContents() throws ContentIOException {
return (ContentEntity[]) entries.values().toArray( new ContentEntity[ entries.size() ] );
}
public ContentEntity getEntry( final String name ) throws ContentIOException {
final ContentEntity contentEntity = (ContentEntity) entries.get( name );
if ( contentEntity == null ) {
throw new ContentIOException( "Not found:" + name );
}
return contentEntity;
}
public boolean exists( final String name ) {
return entries.containsKey( name );
}
public ContentItem createItem( final String name ) throws ContentCreationException {
throw new ContentCreationException();
}
public ContentLocation createLocation( final String name ) throws ContentCreationException {
throw new ContentCreationException();
}
public String getName() {
return entryName;
}
public Object getContentId() {
return name;
}
public Object getAttribute( final String domain, final String key ) {
if ( LibRepositoryBoot.REPOSITORY_DOMAIN.equals( domain ) ) {
if ( LibRepositoryBoot.SIZE_ATTRIBUTE.equals( key ) ) {
return new Long( size );
} else if ( LibRepositoryBoot.VERSION_ATTRIBUTE.equals( key ) ) {
return new Date( time );
}
} else if ( LibRepositoryBoot.ZIP_DOMAIN.equals( domain ) ) {
if ( LibRepositoryBoot.ZIP_COMMENT_ATTRIBUTE.equals( key ) ) {
return comment;
}
}
return null;
}
public boolean setAttribute( final String domain, final String key, final Object value ) {
return false;
}
public ContentLocation getParent() {
return parent;
}
public Repository getRepository() {
return repository;
}
public boolean delete() {
return false;
}
}