org.apache.jackrabbit.oak.plugins.value.jcr.BinaryImpl Maven / Gradle / Ivy
/*
* 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.jackrabbit.oak.plugins.value.jcr;
import static com.google.common.base.Objects.toStringHelper;
import java.io.IOException;
import java.io.InputStream;
import javax.annotation.CheckForNull;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import com.google.common.base.Objects;
import org.apache.jackrabbit.api.ReferenceBinary;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TODO document
*/
class BinaryImpl implements ReferenceBinary {
private static final Logger LOG = LoggerFactory.getLogger(BinaryImpl.class);
private final ValueImpl value;
BinaryImpl(ValueImpl value) {
this.value = value;
}
ValueImpl getBinaryValue() {
return value.getType() == PropertyType.BINARY ? value : null;
}
//-------------------------------------------------------------< Binary >---
@Override
public InputStream getStream() throws RepositoryException {
return value.getBlob().getNewStream();
}
@Override
public int read(byte[] b, long position) throws IOException, RepositoryException {
InputStream stream = getStream();
try {
if (position != stream.skip(position)) {
throw new IOException("Can't skip to position " + position);
}
return stream.read(b);
} finally {
stream.close();
}
}
@Override
public long getSize() throws RepositoryException {
switch (value.getType()) {
case PropertyType.NAME:
case PropertyType.PATH:
// need to respect namespace remapping
return value.getString().length();
default:
return value.getBlob().length();
}
}
@Override
public void dispose() {
// nothing to do
}
//---------------------------------------------------< ReferenceBinary >--
@Override @CheckForNull
public String getReference() {
try {
return value.getBlob().getReference();
} catch (RepositoryException e) {
LOG.warn("Error getting binary reference", e);
return null;
}
}
@Override
public boolean equals(Object other) {
if (other instanceof ReferenceBinary) {
return Objects.equal(getReference(), ((ReferenceBinary) other).getReference());
} else {
return false;
}
}
@Override
public int hashCode() {
return Objects.hashCode(getReference());
}
@Override
public String toString() {
return toStringHelper(this).addValue(value).toString();
}
}