git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6399 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
orbiter
16 years ago
parent
ce8dc575ca
commit
e7f18ba24b
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//httpBoundedSizeOutputStream.java
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//-----------------------
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//(C) by Michael Peter Christen; mc@yacy.net
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2004
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//
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// This file is contributed by Martin Thelian
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// last major change: $LastChangedDate: 2006-08-16 21:49:31 +0200 (Mi, 16 Aug 2006) $ by $LastChangedBy: orbiter $
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// Revision: $LastChangedRevision: 2414 $
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//
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//This program is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.http.io;
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import java.io.IOException;
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import java.io.OutputStream;
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public class BoundedSizeOutputStream extends ByteCountOutputStream {
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protected final long maxSize;
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public BoundedSizeOutputStream(final OutputStream outputStream, final long sizeLimit) {
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this(outputStream,0,sizeLimit);
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}
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public BoundedSizeOutputStream(final OutputStream outputStream, final long initByteCount, final long sizeLimit) {
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super(outputStream,initByteCount,null);
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this.maxSize = sizeLimit;
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}
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public void write(final byte[] b) throws IOException {
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if (this.byteCount + b.length > this.maxSize) {
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// write out the rest until we have reached the limit
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final long rest = this.maxSize-this.byteCount;
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if (rest > 0) this.write(b, 0, (int)rest);
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// throw an exception
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throw new LimitExceededException("Limit exceeded",this.maxSize);
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}
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super.write(b);
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}
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public synchronized void write(final byte[] b, final int off, final int len) throws IOException {
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if (this.byteCount + len > this.maxSize) {
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// write out the rest until we reach the limit
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final long rest = this.maxSize-this.byteCount;
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if (rest > 0) this.write(b, 0, (int)rest);
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// throw an exception
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throw new LimitExceededException("Limit exceeded",this.maxSize);
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}
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super.write(b, off, len);
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}
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public synchronized void write(final int b) throws IOException {
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if (this.byteCount + 1 > this.maxSize) {
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// throw an exception
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throw new LimitExceededException("Limit exceeded",this.maxSize);
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}
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super.write(b);
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}
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public long getSizeLimit() {
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return this.maxSize;
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}
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}
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@ -1,42 +0,0 @@
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//httpdLimitExceededException.java
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//-----------------------
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//(C) by Michael Peter Christen; mc@yacy.net
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2004
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//
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// This file is contributed by Martin Thelian
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// last major change: $LastChangedDate: 2006-08-16 21:49:31 +0200 (Mi, 16 Aug 2006) $ by $LastChangedBy: orbiter $
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// Revision: $LastChangedRevision: 2414 $
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//
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//This program is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.http.io;
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import java.io.IOException;
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public class LimitExceededException extends IOException {
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private static final long serialVersionUID = 1L;
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private final long limit;
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public LimitExceededException(final String errorMsg, final long limit) {
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super(errorMsg);
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this.limit = limit;
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}
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public long getLimit() {
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return this.limit;
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}
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}
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