org.modeshape.jcr.value.binary.InMemoryBinaryValue Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* 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 org.modeshape.jcr.value.binary;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.jcr.RepositoryException;
import org.modeshape.common.annotation.Immutable;
import org.modeshape.common.util.CheckArg;
import org.modeshape.jcr.value.BinaryKey;
import org.modeshape.jcr.value.BinaryValue;
/**
* An implementation of {@link BinaryValue} that keeps the binary data in-memory.
*/
@Immutable
public class InMemoryBinaryValue extends AbstractBinary {
private static final BinaryKey INVALID_KEY = new BinaryKey("invalid");
private static final long serialVersionUID = 2L;
private transient final BinaryStore store;
private final byte[] bytes;
private transient String mimeType;
public InMemoryBinaryValue( BinaryStore store,
byte[] bytes ) {
super(bytes != null ? BinaryKey.keyFor(bytes) : INVALID_KEY); // only need this until the CheckArg fails
CheckArg.isNotNull(bytes, "bytes");
this.bytes = bytes;
this.store = store;
}
public InMemoryBinaryValue( BinaryStore store,
BinaryKey key,
byte[] bytes ) {
super(key);
CheckArg.isNotNull(bytes, "bytes");
this.bytes = bytes;
this.store = store;
}
@Override
public long getSize() {
return bytes.length;
}
public byte[] getBytes() {
return this.bytes;
}
@Override
public String getMimeType() throws IOException, RepositoryException {
if (mimeType == null) {
mimeType = store.getMimeType(this, null);
}
return mimeType;
}
@Override
public String getMimeType( String name ) throws IOException, RepositoryException {
if (mimeType == null) {
mimeType = store.getMimeType(this, name);
}
return mimeType;
}
@Override
protected InputStream internalStream() {
return new ByteArrayInputStream(this.bytes);
}
}
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