mirror of
https://github.com/yacy/yacy_search_server.git
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5543ea08ad
dont list responseHeader.db; StringBuffers, finals; cleaned; git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@739 6c8d7289-2bf4-0310-a012-ef5d649a1542
229 lines
11 KiB
Java
229 lines
11 KiB
Java
// CacheAdmin_p.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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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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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// You must compile this file with
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// javac -classpath .:../classes CacheAdmin_p.java
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// if the shell's current path is HTROOT
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import java.io.File;
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import java.io.OutputStream;
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import java.net.URL;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.TreeSet;
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import de.anomic.htmlFilter.htmlFilterContentScraper;
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import de.anomic.htmlFilter.htmlFilterOutputStream;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaHTCache;
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import de.anomic.plasma.plasmaParserDocument;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaURL;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverFileUtils;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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public class CacheAdmin_p {
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private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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public static String dateString(final Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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final plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
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final serverObjects prop = new serverObjects();
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final String action = ((post == null) ? "info" : post.get("action", "info"));
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String pathString = ((post == null) ? "" : post.get("path", "/"));
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while (pathString.startsWith("//")) { // where is the BUG ?
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pathString = pathString.substring(1);
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}
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final String fileString = pathString;
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final File cache = new File(switchboard.getConfig("proxyCache", "DATA/HTCACHE"));
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File dir;
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final File file = new File(cache, pathString);
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final URL url = plasmaHTCache.getURL(cache, file);
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if (file.isDirectory()) {
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dir = file;
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} else {
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dir = file.getParentFile();
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pathString = (new File(pathString)).getParent().replace('\\','/');
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}
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// generate sorted dir/file listing
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final String[] list = dir.list();
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final StringBuffer tree = new StringBuffer((list.length + 2) * 256);
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tree.append("Directory of<br>").append((pathString.length() == 0) ? "domain list" : linkPathString(pathString)).append("<br><br>");
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if (list == null) {
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tree.append("[empty]");
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} else {
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final TreeSet dList = new TreeSet();
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final TreeSet fList = new TreeSet();
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File object;
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int size = list.length - 1;
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for (int i = size; i >= 0 ; i--) { // R<>ckw<6B>rts ist schneller
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object = new File(dir, list[i]);
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if (!object.getName().equalsIgnoreCase("responseHeader.db")) {
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if (object.isDirectory()) {
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dList.add(list[i]);
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} else {
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fList.add(list[i]);
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}
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}
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}
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Iterator iter = dList.iterator();
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String str;
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while (iter.hasNext()) {
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str = iter.next().toString();
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tree.append("<img src=\"/env/grafics/folderIconSmall.gif\" align=\"top\" alt=\"Folder\"> <a href=\"CacheAdmin_p.html?action=info&path=").append(pathString).append("/").append(str).append("\" class=\"tt\">").append(str).append("</a><br>").append(serverCore.crlfString);
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}
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iter = fList.iterator();
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while (iter.hasNext()) {
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str = iter.next().toString();
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tree.append("<img src=\"/env/grafics/fileIconSmall.gif\" align=\"top\" alt=\"File\"> <a href=\"CacheAdmin_p.html?action=info&path=").append(pathString).append("/").append(str).append("\" class=\"tt\">").append(str).append("</a><br>").append(serverCore.crlfString);
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}
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}
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final StringBuffer info = new StringBuffer();
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if (action.equals("info") && !file.isDirectory()) {
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info.ensureCapacity(40000);
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final String urls = htmlFilterContentScraper.urlNormalform(url);
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info.append("<b>Info for URL <a href=\"").append(urls).append("\">").append(urls).append("</a></b><br><br>");
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try {
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final httpHeader fileheader = switchboard.cacheManager.getCachedResponse(plasmaURL.urlHash(url));
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info.append("<b>HTTP Header:</b><br>").append(formatHeader(fileheader)).append("<br>");
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final String ff = file.toString();
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final int dotpos = ff.lastIndexOf('.');
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final String ext = (dotpos >= 0) ? ff.substring(dotpos + 1).toLowerCase() : "";
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if (ext.equals("gif") || ext.equals("jpg") || ext.equals("jpeg") || ext.equals("png")) {
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info.append("<img src=\"" + "CacheResource_p.html?path=").append(fileString).append("\">");
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} else {
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final htmlFilterContentScraper scraper = new htmlFilterContentScraper(url);
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final OutputStream os = new htmlFilterOutputStream(null, scraper, null, false);
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serverFileUtils.copy(file, os);
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// os.flush();
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final plasmaParserDocument document = switchboard.parser.transformScraper(url, "text/html", scraper);
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info.append("<b>HEADLINE:</b><br>").append(scraper.getHeadline()).append("<br>").append("<br>")
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.append("<b>HREF:</b><br>").append(formatAnchor(document.getHyperlinks())).append("<br>")
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.append("<b>MEDIA:</b><br>").append(formatAnchor(document.getMedialinks())).append("<br>")
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.append("<b>EMAIL:</b><br>").append(formatAnchor(document.getEmaillinks())).append("<br>")
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.append("<b>TEXT:</b><br><span class=\"small\">").append(new String(scraper.getText())).append("</span><br>")
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.append("<b>LINES:</b><br><span class=\"small\">");
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final String[] sentences = document.getSentences();
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for (int i = 0; i < sentences.length; i++) {
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info.append(sentences[i]).append("<br>");
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}
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info.append("</span><br>");
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}
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} catch (Exception e) {
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info.append("- This file is not cached -");
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info.append(e.toString());
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// e.printStackTrace();
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}
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}
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prop.put("cachesize", Long.toString(switchboard.cacheManager.currCacheSize/1024));
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prop.put("cachemax", Long.toString(switchboard.cacheManager.maxCacheSize/1024));
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prop.put("tree", tree.toString());
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prop.put("info", info.toString());
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// return rewrite properties
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return prop;
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}
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private static String formatHeader(httpHeader header) {
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final StringBuffer result = new StringBuffer(2048);
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if (header == null) {
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result.append("- no header in header cache -");
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} else {
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result.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
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final Iterator iter = header.entrySet().iterator();
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Map.Entry entry;
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while (iter.hasNext()) {
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entry = (Map.Entry) iter.next();
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result.append("<tr valign=\"top\"><td class=\"tt\">").append(entry.getKey()).append("</td><td class=\"tt\"> = </td><td class=\"tt\">").append(entry.getValue()).append("</td></tr>");
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}
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result.append("</table>");
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}
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return result.toString();
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}
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private static String formatAnchor(Map anchor) {
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final StringBuffer result = new StringBuffer((anchor.entrySet().size() + 1) * 256);
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result.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
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final Iterator iter = anchor.entrySet().iterator();
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String url, descr;
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Map.Entry entry;
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while (iter.hasNext()) {
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entry = (Map.Entry) iter.next();
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url = (String) entry.getKey();
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descr = ((String) entry.getValue()).trim();
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if (descr.length() == 0) { descr = "-"; }
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result.append("<tr valign=\"top\"><td><span class=\"small\">").append(descr).append(" </span></td><td class=\"tt\">").append(url).append("</td></tr>");
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}
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return result.append("</table>").toString();
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}
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private static String linkPathString(String Path){ // contributed by Alexander Schier
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final String[] Elements = Path.split("/");
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final StringBuffer result = new StringBuffer(Elements.length * 256);
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final StringBuffer tmpPath = new StringBuffer(256);
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for(int i=0;i<(Elements.length-1);i++){
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tmpPath.append(Elements[i]).append("/");
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result.append("<a href=\"CacheAdmin_p.html?action=info&path=").append(tmpPath).append("\" class=\"tt\">").append(Elements[i]).append("/</a>");
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}
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if (Elements.length > 0) {
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tmpPath.append(Elements[Elements.length - 1]).append("/");
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result.append("<span class=\"tt\">").append(Elements[Elements.length - 1]).append("/</span>");
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}
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return result.toString();
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}
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}
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