de.schlichtherle.io.InputIOException Maven / Gradle / Ivy

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TrueZIP is a Java based Virtual File System (VFS) to enable transparent, multi-threaded read/write access to archive files (ZIP, TAR etc.) as if they were directories. Archive files may be arbitrarily nested and the nesting level is only limited by heap and file system size.

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/*
 * Copyright (C) 2006-2010 Schlichtherle IT Services
 *
 * 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 de.schlichtherle.io;

import java.io.FileNotFoundException;
import java.io.IOException;

/**
 * Thrown if an {@link IOException} happened on the input side rather than
 * the output side when copying an InputStream to an OutputStream.
 * This exception is always initialized with an {@code IOException} as
 * its cause, so it is safe to cast the return value of
 * {@link Throwable#getCause} to an {@code IOException}.
 *
 * @author Christian Schlichtherle
 * @version $Id: InputIOException.java,v 1.5 2010/10/24 19:43:53 christian_schlichtherle Exp $
 */
// TODO: Review: Rename this to IException?
public class InputIOException extends IOException {

    /**
     * Constructs a new {@code InputIOException}.
     *
     * @param cause A valid {@code IOException}.
     *        This must not be {@code null} and must not be an instance
     *        of {@link FileNotFoundException} (which means that they cannot
     *        not be masked).
     * @throws IllegalArgumentException If {@code cause} is an instance of
     *         {@code FileNotFoundException}.
     */
    public InputIOException(final IOException cause) {
        super(cause != null ? cause.toString() : null);
        if (cause instanceof FileNotFoundException) {
            final IllegalArgumentException iae = new IllegalArgumentException();
            iae.initCause(cause);
            throw iae;
        }
        super.initCause(cause);
    }
}