Spring Framework example source code file (PassThroughBlob.java)

This example Spring Framework source code file (PassThroughBlob.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

blob, inputstream, inputstream, io, jdbc, outputstream, passthroughblob, passthroughblob, sql, sqlexception, sqlexception, unsupportedoperationexception, unsupportedoperationexception

The Spring Framework PassThroughBlob.java source code

/*
 * Copyright 2002-2008 the original author or authors.
 *
 * 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.springframework.jdbc.support.lob;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Blob;
import java.sql.SQLException;

/**
 * Simple JDBC {@link Blob} adapter that exposes a given byte array or binary stream.
 * Optionally used by {@link DefaultLobHandler}.
 *
 * @author Juergen Hoeller
 * @since 2.5.3
 */
class PassThroughBlob implements Blob {

	private byte[] content;

	private InputStream binaryStream;

	private long contentLength;


	public PassThroughBlob(byte[] content) {
		this.content = content;
		this.contentLength = content.length;
	}

	public PassThroughBlob(InputStream binaryStream, long contentLength) {
		this.binaryStream = binaryStream;
		this.contentLength = contentLength;
	}


	public long length() throws SQLException {
		return this.contentLength;
	}

	public InputStream getBinaryStream() throws SQLException {
		return (this.content != null ? new ByteArrayInputStream(this.content) : this.binaryStream);
	}


	public InputStream getBinaryStream(long pos, long length) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public OutputStream setBinaryStream(long pos) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public byte[] getBytes(long pos, int length) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public int setBytes(long pos, byte[] bytes) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public long position(byte pattern[], long start) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public long position(Blob pattern, long start) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public void truncate(long len) throws SQLException {
		throw new UnsupportedOperationException();
	}

	public void free() throws SQLException {
		throw new UnsupportedOperationException();
	}

}