/*
* 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.isis.applib.value;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Serializable;
import javax.activation.MimeType;
import javax.activation.MimeTypeParseException;
import com.google.common.io.ByteSource;
public final class Blob implements NamedWithMimeType, Serializable {
/**
* Computed for state:
* <pre>
* private final MimeType mimeType;
* private final byte[] bytes;
* private final String name;
* </pre>
*/
private static final long serialVersionUID = 5659679806709601263L;
private final MimeType mimeType;
private final byte[] bytes;
private final String name;
public Blob(String name, String primaryType, String subtype, byte[] bytes) {
this(name, newMimeType(primaryType, subtype), bytes);
}
public Blob(String name, String mimeTypeBase, byte[] bytes) {
this(name, newMimeType(mimeTypeBase), bytes);
}
public Blob(String name, MimeType mimeType, byte[] bytes) {
if(name.contains(":")) {
throw new IllegalArgumentException("Name cannot contain ':'");
}
this.name = name;
this.mimeType = mimeType;
this.bytes = bytes;
}
private static MimeType newMimeType(String primaryType, String subtype) {
try {
return new MimeType(primaryType, subtype);
} catch (MimeTypeParseException e) {
throw new IllegalArgumentException(e);
}
}
private static MimeType newMimeType(String baseType) {
try {
return new MimeType(baseType);
} catch (MimeTypeParseException e) {
throw new IllegalArgumentException(e);
}
}
public String getName() {
return name;
}
public MimeType getMimeType() {
return mimeType;
}
public byte[] getBytes() {
return bytes;
}
public void writeBytesTo(final OutputStream os) throws IOException {
ByteSource.wrap(bytes).copyTo(os);
}
@Override
public String toString() {
return getName() + " [" + getMimeType().getBaseType() + "]: " + getBytes().length + " bytes";
}
}