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An HTML-checking library (used by https://html5.validator.nu and the HTML5 facet of the W3C Validator)
/*
* Copyright (c) 2005 Henri Sivonen
* Copyright (c) 2008 Mozilla Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package nu.validator.io;
import java.io.IOException;
import java.io.InputStream;
/**
* @version $Id$
* @author hsivonen
*/
public class ObservableInputStream extends InputStream {
private StreamObserver observer;
private InputStream delegate;
/**
*
*/
public ObservableInputStream(InputStream delegate, StreamObserver obs) {
this.delegate = delegate;
this.observer = obs;
}
/**
* @see java.io.InputStream#available()
*/
public int available() throws IOException {
try {
return delegate.available();
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#close()
*/
public void close() throws IOException {
try {
observer.closeCalled();
delegate.close();
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#mark(int)
*/
public void mark(int arg0) {
try {
delegate.mark(arg0);
} catch (RuntimeException e) {
try {
observer.exceptionOccurred(e);
} catch (IOException e1) {
throw new RuntimeException("The observer threw against the API contract.", e1);
}
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#markSupported()
*/
public boolean markSupported() {
try {
return delegate.markSupported();
} catch (RuntimeException e) {
try {
observer.exceptionOccurred(e);
} catch (IOException e1) {
throw new RuntimeException("The observer threw against the API contract.", e1);
}
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @return
* @throws java.io.IOException
*/
public int read() throws IOException {
try {
return delegate.read();
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#read(byte[])
*/
public int read(byte[] arg0) throws IOException {
try {
return delegate.read(arg0);
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#read(byte[], int, int)
*/
public int read(byte[] arg0, int arg1, int arg2) throws IOException {
try {
return delegate.read(arg0, arg1, arg2);
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#reset()
*/
public void reset() throws IOException {
try {
delegate.reset();
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.io.InputStream#skip(long)
*/
public long skip(long arg0) throws IOException {
try {
return delegate.skip(arg0);
} catch (RuntimeException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
} catch (IOException e) {
observer.exceptionOccurred(e);
throw new RuntimeException("The observer failed to throw per API contract.");
}
}
/**
* @see java.lang.Object#finalize()
*/
protected void finalize() throws Throwable {
observer.finalizerCalled();
super.finalize();
}
}