/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.jpa.boot.archive.spi;
import java.io.InputStream;
import java.net.URL;
import java.util.zip.ZipEntry;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.jpa.boot.internal.ByteArrayInputStreamAccess;
import org.hibernate.jpa.boot.archive.internal.ArchiveHelper;
import org.hibernate.jpa.boot.spi.InputStreamAccess;
/**
* @author Steve Ebersole
*/
public abstract class AbstractArchiveDescriptor implements ArchiveDescriptor {
private final ArchiveDescriptorFactory archiveDescriptorFactory;
private final URL archiveUrl;
private final String entryBasePrefix;
protected AbstractArchiveDescriptor(
ArchiveDescriptorFactory archiveDescriptorFactory,
URL archiveUrl,
String entryBasePrefix) {
this.archiveDescriptorFactory = archiveDescriptorFactory;
this.archiveUrl = archiveUrl;
this.entryBasePrefix = normalizeEntryBasePrefix( entryBasePrefix );
}
private static String normalizeEntryBasePrefix(String entryBasePrefix) {
if ( StringHelper.isEmpty( entryBasePrefix ) || entryBasePrefix.length() == 1 ) {
return null;
}
return entryBasePrefix.startsWith( "/" ) ? entryBasePrefix.substring( 1 ) : entryBasePrefix;
}
protected ArchiveDescriptorFactory getArchiveDescriptorFactory() {
return archiveDescriptorFactory;
}
protected URL getArchiveUrl() {
return archiveUrl;
}
protected String getEntryBasePrefix() {
return entryBasePrefix;
}
protected String extractRelativeName(ZipEntry zipEntry) {
final String entryName = extractName( zipEntry );
return entryBasePrefix == null ? entryName : entryName.substring( entryBasePrefix.length() );
}
protected String extractName(ZipEntry zipEntry) {
return normalizePathName( zipEntry.getName() );
}
protected String normalizePathName(String pathName) {
return pathName.startsWith( "/" ) ? pathName.substring( 1 ) : pathName;
}
protected InputStreamAccess buildByteBasedInputStreamAccess(final String name, InputStream inputStream) {
// because of how jar InputStreams work we need to extract the bytes immediately. However, we
// do delay the creation of the ByteArrayInputStreams until needed
final byte[] bytes = ArchiveHelper.getBytesFromInputStreamSafely( inputStream );
return new ByteArrayInputStreamAccess( name, bytes );
}
}