Commons IO example source code file (BrokenInputStream.java)

This example Commons IO source code file (BrokenInputStream.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 - Commons IO tags/keywords

broken, brokeninputstream, brokeninputstream, inputstream, inputstream, io, ioexception, ioexception, override, override

The Commons IO BrokenInputStream.java source code

/*
 * 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.commons.io.input;

import java.io.IOException;
import java.io.InputStream;

/**
 * Broken input stream. This stream always throws an {@link IOException} from
 * all the {@link InputStream} methods where the exception is declared.
 * <p>
 * This class is mostly useful for testing error handling in code that uses an
 * input stream.
 *
 * @since Commons IO 2.0
 */
public class BrokenInputStream extends InputStream {

    /**
     * The exception that is thrown by all methods of this class.
     */
    private final IOException exception;

    /**
     * Creates a new stream that always throws the given exception.
     *
     * @param exception the exception to be thrown
     */
    public BrokenInputStream(IOException exception) {
        this.exception = exception;
    }

    /**
     * Creates a new stream that always throws an {@link IOException}
     */
    public BrokenInputStream() {
        this(new IOException("Broken input stream"));
    }

    /**
     * Throws the configured exception.
     *
     * @return nothing
     * @throws IOException always thrown
     */
    @Override
    public int read() throws IOException {
        throw exception;
    }

    /**
     * Throws the configured exception.
     *
     * @return nothing
     * @throws IOException always thrown
     */
    @Override
    public int available() throws IOException {
        throw exception;
    }

    /**
     * Throws the configured exception.
     *
     * @param n ignored
     * @return nothing
     * @throws IOException always thrown
     */
    @Override
    public long skip(long n) throws IOException {
        throw exception;
    }

    /**
     * Throws the configured exception.
     *
     * @throws IOException always thrown
     */
    @Override
    public void reset() throws IOException {
        throw exception;
    }

    /**
     * Throws the configured exception.
     *
     * @throws IOException always thrown
     */
    @Override
    public void close() throws IOException {
        throw exception;
    }

}