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66 lines
2.4 KiB
66 lines
2.4 KiB
// httpClientGetMethod.java
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// (C) 2009 by David Wieditz; lotus@users.berlios.de
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// first published 13.7.2009 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate: 2008-03-14 01:16:04 +0100 (Fr, 14 Mrz 2008) $
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// $LastChangedRevision: 4558 $
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// $LastChangedBy: orbiter $
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//
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// LICENSE
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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.client;
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import java.io.IOException;
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import org.apache.commons.httpclient.Header;
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import org.apache.commons.httpclient.HttpConnection;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.commons.httpclient.HttpState;
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import org.apache.commons.httpclient.methods.GetMethod;
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/**
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* this class implements the ability for a maxfilesize
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* @author lotus
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*
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*/
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public class ClientGetMethod extends GetMethod {
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private long maxfilesize = Long.MAX_VALUE;
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public ClientGetMethod(String uri, long maxfilesize) {
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super(uri);
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if (maxfilesize > 0) this.maxfilesize = maxfilesize;
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}
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@Override
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protected void readResponseHeaders(HttpState state, HttpConnection conn) throws IOException, HttpException {
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super.readResponseHeaders(state, conn);
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// already processing the header to be able to throw an exception
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Header contentlengthHeader = getResponseHeader("content-length");
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long contentlength = 0;
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if (contentlengthHeader != null) {
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try { contentlength = Long.parseLong(contentlengthHeader.getValue()); } catch (NumberFormatException e) { }
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}
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if (contentlength > maxfilesize) {
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throw new IOException("Content-Length " + contentlength + " larger than maxfilesize " + maxfilesize);
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}
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}
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}
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