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/*
*
* Derby - Class TestInputStream
*
* 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.derbyTesting.functionTests.util;
import java.io.InputStream;
import java.io.IOException;
/**
* TestInputStream class is a InputStream which returns
* a lot of data which can be inserted into a LOB.
*/
public final class TestInputStream extends InputStream
{
/**
* Constructor for TestInputStream
* @param length length of stream
* @param value value to return
*/
public TestInputStream(long length, int value)
{
this.value = value;
this.length = length;
this.pos = 0;
}
/**
* Implementation of InputStream.read(). Returns
* the value specified in constructor, unless the
* end of the stream has been reached.
*/
public int read()
throws IOException
{
if (++pos>length) return -1;
return value;
}
/** Current position in stream */
private long pos;
/** Value to return */
final int value;
/** Length of stream */
final long length;
}
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