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yacy_search_server/source/de/anomic/soap/services/AdminService.java

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//AdminService.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2005
//
//this file was contributed by Martin Thelian
//last major change: $LastChangedDate$ by $LastChangedBy$
//Revision: $LastChangedRevision$
//
//This program is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or
//(at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.
package de.anomic.soap.services;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Properties;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.logging.XMLFormatter;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.axis.AxisFault;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import de.anomic.http.httpRemoteProxyConfig;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverCore;
import de.anomic.server.serverObjects;
import de.anomic.server.serverThread;
import de.anomic.server.logging.GuiHandler;
import de.anomic.soap.AbstractService;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacyNewsPool;
import de.anomic.yacy.yacyNewsRecord;
import de.anomic.yacy.yacySeed;
public class AdminService extends AbstractService {
/* =====================================================================
* Used Plasmaswitchboard config properties
* ===================================================================== */
private static final String _10_HTTPD = "10_httpd";
private static final String RESTART = "restart";
// peer properties
private static final String PORT = "port";
private static final String PEER_NAME = "peerName";
// remote proxy properties
private static final String REMOTE_PROXY_USE = "remoteProxyUse";
private static final String REMOTE_PROXY_USE4SSL = "remoteProxyUse4SSL";
private static final String REMOTE_PROXY_USE4YACY = "remoteProxyUse4Yacy";
private static final String REMOTE_PROXY_NO_PROXY = "remoteProxyNoProxy";
private static final String REMOTE_PROXY_PWD = "remoteProxyPwd";
private static final String REMOTE_PROXY_USER = "remoteProxyUser";
private static final String REMOTE_PROXY_PORT = "remoteProxyPort";
private static final String REMOTE_PROXY_HOST = "remoteProxyHost";
// remote triggered crawl properties
private static final String CRAWL_RESPONSE = "crawlResponse";
private static final String _62_REMOTETRIGGEREDCRAWL_BUSYSLEEP = plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL_BUSYSLEEP;
private static final String _62_REMOTETRIGGEREDCRAWL = plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL;
// index transfer properties
private static final String INDEX_RECEIVE_BLOCK_BLACKLIST = "indexReceiveBlockBlacklist";
private static final String ALLOW_RECEIVE_INDEX = "allowReceiveIndex";
private static final String ALLOW_DISTRIBUTE_INDEX_WHILE_CRAWLING = "allowDistributeIndexWhileCrawling";
private static final String ALLOW_DISTRIBUTE_INDEX = "allowDistributeIndex";
// message forwarding properties
private static final String MSG_FORWARDING_TO = "msgForwardingTo";
private static final String MSG_FORWARDING_CMD = "msgForwardingCmd";
private static final String MSG_FORWARDING_ENABLED = "msgForwardingEnabled";
private static final String MSG_FORWARDING = "msgForwarding";
// peer profile
private static final String PEERPROFILE_COMMENT = "comment";
private static final String PEERPROFILE_MSN = "msn";
private static final String PEERPROFILE_YAHOO = "yahoo";
private static final String PEERPROFILE_JABBER = "jabber";
private static final String PEERPROFILE_ICQ = "icq";
private static final String PEERPROFILE_EMAIL = "email";
private static final String PEERPROFILE_HOMEPAGE = "homepage";
private static final String PEERPROFILE_NICKNAME = "nickname";
private static final String PEERPROFILE_NAME = "name";
private static final String PEER_PROFILE_FETCH_SUCCESS = "success";
private static final String PEER_HASH = "hash";
/* =====================================================================
* Used XML Templates
* ===================================================================== */
private static final String TEMPLATE_CONFIG_XML = "xml/config_p.xml";
private static final String TEMPLATE_VERSION_XML = "xml/version.xml";
private static final String TEMPLATE_PROFILE_XML = "ViewProfile.xml";
/**
* This function can be used to set a configuration option
* @param key the name of the option
* @param value the value of the option as String
* @throws AxisFault if authentication failed
*/
public void setConfigProperty(String key, String value) throws AxisFault {
// Check for errors
if ((key == null)||(key.length() == 0)) throw new IllegalArgumentException("Key must not be null or empty.");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// add key to switchboard
if (value == null) value = "";
this.switchboard.setConfig(key,value);
}
/**
* This function can be used to set multiple configuration option
* @param keys an array containing the names of all options
* @param values an array containing the values of all options
* @throws AxisFault if authentication failed
* @throws IllegalArgumentException if key.length != value.length
*/
public void setProperties(String[] keys, String values[]) throws AxisFault{
// Check for errors
if ((keys == null)||(keys.length == 0)) throw new IllegalArgumentException("Key array must not be null or empty.");
if ((values == null)||(values.length == 0)) throw new IllegalArgumentException("Values array must not be null or empty.");
if (keys.length != values.length) throw new IllegalArgumentException("Invalid input. " + keys.length + " keys but " + values.length + " values received.");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
for (int i=0; i < keys.length; i++) {
// get the key
String nextKey = keys[i];
if ((nextKey == null)||(nextKey.length() == 0)) throw new IllegalArgumentException("Key at position " + i + " was null or empty.");
// get the value
String nextValue = values[i];
if (nextValue == null) nextValue = "";
// save the value
this.switchboard.setConfig(nextKey,nextValue);
}
}
/**
* This function can be used to geht the value of a single configuration option
* @param key the name of the option
* @return the value of the option as string
* @throws AxisFault if authentication failed
*/
public String getConfigProperty(String key) throws AxisFault {
// Check for errors
if ((key == null)||(key.length() == 0)) throw new IllegalArgumentException("Key must not be null or empty.");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// get the config property
return this.switchboard.getConfig(key,null);
}
/**
* This function can be used to query the value of multiple configuration options
* @param keys an array containing the names of the configuration options to query
* @return an array containing the values of the configuration options as string
* @throws AxisFault if authentication failed
*/
public String[] getConfigProperties(String[] keys) throws AxisFault {
// Check for errors
if ((keys == null)||(keys.length== 0)) throw new IllegalArgumentException("Key array must not be null or empty.");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// get the properties
ArrayList returnValues = new ArrayList(keys.length);
for (int i=0; i < keys.length; i++) {
String nextKey = keys[i];
if ((nextKey == null)||(nextKey.length() == 0)) throw new IllegalArgumentException("Key at position " + i + " was null or empty.");
returnValues.add(this.switchboard.getConfig(nextKey,null));
}
// return the result
return (String[]) returnValues.toArray(new String[keys.length]);
}
/**
* Returns the current configuration of this peer as XML Document
* @return a XML document of the following format
* <pre>
* &lt;?xml version="1.0"?&gt;
* &lt;settings&gt;
* &lt;option&gt;
* &lt;key&gt;option-name&lt;/key&gt;
* &lt;value&gt;option-value&lt;/value&gt;
* &lt;/option&gt;
* &lt;/settings&gt;
* </pre>
*
* @throws AxisFault if authentication failed
* @throws Exception
*/
public Document getConfigPropertyList() throws Exception {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// generating the template containing the network status information
byte[] result = this.serverContext.writeTemplate(TEMPLATE_CONFIG_XML, new serverObjects(),this.requestHeader);
// sending back the result to the client
return this.convertContentToXML(result);
}
/**
* Returns detailed version information about this peer
* @return a XML document of the following format
* <pre>
* &lt;?xml version="1.0"?&gt;
* &lt;version&gt;
* &lt;number&gt;0.48202791&lt;/number&gt;
* &lt;svnRevision&gt;2791&lt;/svnRevision&gt;
* &lt;buildDate&gt;20061017&lt;/buildDate&gt;
* &lt;/version&gt;
* </pre>
* @throws AxisFault if authentication failed
* @throws Exception
*/
public Document getVersion() throws Exception {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// generating the template containing the network status information
byte[] result = this.serverContext.writeTemplate(TEMPLATE_VERSION_XML, new serverObjects(), this.requestHeader);
// sending back the result to the client
return this.convertContentToXML(result);
}
/**
* This function can be used to configure the peer name
* @param newName the new name of the peer
* @throws AxisFault if authentication failed or peer name was not accepted
*/
public void setPeerName(String newName) throws AxisFault {
// Check for errors
if ((newName == null)||(newName.length() == 0)) throw new IllegalArgumentException("The peer name must not be null or empty.");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// get the previous name
String prevName = this.switchboard.getConfig(PEER_NAME, "");
if (prevName.equals("newName")) return;
// take a look if there is already an other peer with this name
yacySeed oldSeed = yacyCore.seedDB.lookupByName(newName);
if (oldSeed != null) throw new AxisFault("Other peer '" + oldSeed.getName() + "/" + oldSeed.getHexHash() + "' with this name found");
// name must not be too short
if (newName.length() < 3) throw new AxisFault("Name is too short");
// name must not be too long
if (newName.length() > 80) throw new AxisFault("Name is too long.");
// check for invalid chars
for (int i = 0; i < newName.length(); i++) {
if ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_".indexOf(newName.charAt(i)) < 0)
throw new AxisFault("Invalid char at position " + i);
}
// use the new name
this.switchboard.setConfig(PEER_NAME, newName);
}
/**
* Changes the port the server socket is bound to.
*
* Please not that after the request was accepted the server waits
* a timeout of 5 seconds before the server port binding is changed
*
* @param newPort the new server port
* @throws AxisFault if authentication failed
*/
public void setPeerPort(int newPort) throws AxisFault {
if (newPort <= 0) throw new IllegalArgumentException("Invalid port number");
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// get the old value
int oldPort = (int) this.switchboard.getConfigLong(PORT, 8080);
if (oldPort == newPort) return;
// getting the server thread
serverCore theServerCore = (serverCore) this.switchboard.getThread(_10_HTTPD);
// store the new value
this.switchboard.setConfig(PORT, newPort);
// restart the port listener
// TODO: check if the port is free
theServerCore.reconnect(5000);
}
/**
* This function can be enabled the usage of an already configured remote proxy
* @param enableProxy <code>true</code> to enable and <code>false</code> to disable remote proxy usage
* @throws AxisFault if authentication failed or remote proxy configuration is missing
*/
public void enableRemoteProxy(boolean enableProxy) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// check for errors
String proxyHost = this.switchboard.getConfig(REMOTE_PROXY_HOST, "");
if (proxyHost.length() == 0) throw new AxisFault("Remote proxy hostname is not configured");
String proxyPort = this.switchboard.getConfig(REMOTE_PROXY_PORT, "");
if (proxyPort.length() == 0) throw new AxisFault("Remote proxy port is not configured");
// store the new state
plasmaSwitchboard sb = (plasmaSwitchboard) this.switchboard;
sb.setConfig(REMOTE_PROXY_USE,Boolean.toString(enableProxy));
sb.remoteProxyConfig = httpRemoteProxyConfig.init(sb);
}
/**
* This function can be used to configured another remote proxy that should be used by
* yacy as parent proxy.
* If a parameter value is <code>null</code> then the current configuration value is not
* changed.
*
* @param enableRemoteProxy to enable or disable remote proxy usage
* @param proxyHost the remote proxy host name
* @param proxyPort the remote proxy user name
* @param proxyUserName login name for the remote proxy
* @param proxyPwd password to login to the remote proxy
* @param noProxyList a list of addresses that should not be accessed via the remote proxy
* @param useProxy4YaCy specifies if the remote proxy should be used for the yacy core protocol
* @param useProxy4SSL specifies if the remote proxy should be used for ssl
*
* @throws AxisFault if authentication failed
*/
public void setRemoteProxy(
Boolean enableRemoteProxy,
String proxyHost,
Integer proxyPort,
String proxyUserName,
String proxyPwd,
String noProxyList,
Boolean useProxy4YaCy,
Boolean useProxy4SSL
) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
if (proxyHost != null)
this.switchboard.setConfig(REMOTE_PROXY_HOST, proxyHost);
if (proxyPort != null)
this.switchboard.setConfig(REMOTE_PROXY_PORT, proxyPort.toString());
if (proxyUserName != null)
this.switchboard.setConfig(REMOTE_PROXY_USER, proxyUserName);
if (proxyPwd != null)
this.switchboard.setConfig(REMOTE_PROXY_PWD, proxyPwd);
if (noProxyList != null)
this.switchboard.setConfig(REMOTE_PROXY_NO_PROXY, noProxyList);
if (useProxy4YaCy != null)
this.switchboard.setConfig(REMOTE_PROXY_USE4YACY, useProxy4YaCy.toString());
if (useProxy4SSL != null)
this.switchboard.setConfig(REMOTE_PROXY_USE4SSL, useProxy4SSL.toString());
// enable remote proxy usage
if (enableRemoteProxy != null) this.enableRemoteProxy(enableRemoteProxy.booleanValue());
}
/**
* Shutdown this peer
* @throws AxisFault if authentication failed
*/
public void shutdownPeer() throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
this.switchboard.setConfig(RESTART, "false");
// Terminate the peer in 3 seconds (this gives us enough time to finish the request
((plasmaSwitchboard)this.switchboard).terminate(3000);
}
/**
* This function can be used to configure Remote Triggered Crawling for this peer.
*
* @param enableRemoteTriggeredCrawls to enable remote triggered crawling
* @param maximumAllowedPPM to configure the maximum allowed pages per minute that should be crawled.
* Set this to <code>0</code> for unlimited crawling.
*
* @throws AxisFault
*/
public void setDistributedCrawling(
Boolean enableRemoteTriggeredCrawls,
Integer maximumAllowedPPM
) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// if the ppm was set, change it
if (maximumAllowedPPM != null) {
long newBusySleep;
// calculate the new sleep time for the remote triggered crawl thread
if (maximumAllowedPPM.intValue() < 1) {
// unlimited crawling
newBusySleep = 100;
} else {
// limited crawling
newBusySleep = 60000 / maximumAllowedPPM.intValue();
if (newBusySleep < 100) newBusySleep = 100;
}
// get the server thread
serverThread rct = this.switchboard.getThread(_62_REMOTETRIGGEREDCRAWL);
// set the new sleep time
if (rct != null) rct.setBusySleep(newBusySleep);
// store it
this.switchboard.setConfig(_62_REMOTETRIGGEREDCRAWL_BUSYSLEEP, Long.toString(newBusySleep));
}
// if set enable/disable remote triggered crawls
if (enableRemoteTriggeredCrawls != null) {
this.switchboard.setConfig(CRAWL_RESPONSE, enableRemoteTriggeredCrawls.toString());
}
}
public void setTransferProperties(
Boolean indexDistribution,
Boolean indexDistributeWhileCrawling,
Boolean indexReceive,
Boolean indexReceiveBlockBlacklist
) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// index Distribution on/off
if (indexDistribution != null) {
this.switchboard.setConfig(ALLOW_DISTRIBUTE_INDEX, indexDistribution.toString());
}
// Index Distribution while crawling
if (indexDistributeWhileCrawling != null) {
this.switchboard.setConfig(ALLOW_DISTRIBUTE_INDEX_WHILE_CRAWLING, indexDistributeWhileCrawling.toString());
}
// Index Receive
if (indexReceive != null) {
this.switchboard.setConfig(ALLOW_RECEIVE_INDEX, indexReceive.toString());
}
// block URLs received by DHT by blocklist
if (indexReceiveBlockBlacklist != null) {
this.switchboard.setConfig(INDEX_RECEIVE_BLOCK_BLACKLIST, indexReceiveBlockBlacklist.toString());
}
}
public Document getTransferProperties() throws AxisFault, ParserConfigurationException {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// creating XML document
Element xmlElement = null;
Document xmlDoc = createNewXMLDocument("transferProperties");
Element xmlRoot = xmlDoc.getDocumentElement();
xmlElement = xmlDoc.createElement(ALLOW_DISTRIBUTE_INDEX);
xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(this.switchboard.getConfigBool(ALLOW_DISTRIBUTE_INDEX,true))));
xmlRoot.appendChild(xmlElement);
xmlElement = xmlDoc.createElement(ALLOW_DISTRIBUTE_INDEX_WHILE_CRAWLING);
xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(this.switchboard.getConfigBool(ALLOW_DISTRIBUTE_INDEX_WHILE_CRAWLING,true))));
xmlRoot.appendChild(xmlElement);
xmlElement = xmlDoc.createElement(ALLOW_RECEIVE_INDEX);
xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(this.switchboard.getConfigBool(ALLOW_RECEIVE_INDEX,true))));
xmlRoot.appendChild(xmlElement);
xmlElement = xmlDoc.createElement(INDEX_RECEIVE_BLOCK_BLACKLIST);
xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(this.switchboard.getConfigBool(INDEX_RECEIVE_BLOCK_BLACKLIST,true))));
xmlRoot.appendChild(xmlElement);
return xmlDoc;
}
/**
* Function to configure the message forwarding settings of a peer.
* @see <a href="http://localhost:8080/Settings_p.html?page=messageForwarding">Peer Configuration - Message Forwarding</a>
*
* @param enableForwarding specifies if forwarding should be enabled
* @param forwardingCommand the forwarding command to use. e.g. <code>/usr/sbin/sendmail</code>
* @param forwardingTo the delivery destination. e.g. <code>root@localhost</code>
*
* @throws AxisFault if authentication failed
*/
public void setMessageForwarding(
Boolean enableForwarding,
String forwardingCommand,
String forwardingTo
) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// index Distribution on/off
if (enableForwarding != null) {
this.switchboard.setConfig(MSG_FORWARDING_ENABLED, enableForwarding.toString());
}
if (forwardingCommand != null) {
this.switchboard.setConfig(MSG_FORWARDING_CMD, forwardingCommand);
}
if (forwardingTo != null) {
this.switchboard.setConfig(MSG_FORWARDING_TO, forwardingTo);
}
}
/**
* Function to query the current message forwarding configuration of a peer.
* @see <a href="http://localhost:8080/Settings_p.html?page=messageForwarding">Peer Configuration - Message Forwarding</a>
*
* @return a XML document of the following format
* <pre>
* &lt;?xml version="1.0" encoding="UTF-8"?&gt;
* &lt;msgForwarding&gt;
* &lt;msgForwardingEnabled&gt;false&lt;/msgForwardingEnabled&gt;
* &lt;msgForwardingCmd&gt;/usr/sbin/sendmail&lt;/msgForwardingCmd&gt;
* &lt;msgForwardingTo&gt;root@localhost&lt;/msgForwardingTo&gt;
* &lt;/msgForwarding&gt;
* </pre>
*
* @throws AxisFault if authentication failed
* @throws ParserConfigurationException on XML parser errors
*/
public Document getMessageForwarding() throws AxisFault, ParserConfigurationException {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// creating XML document
Element xmlElement = null;
Document xmlDoc = createNewXMLDocument(MSG_FORWARDING);
Element xmlRoot = xmlDoc.getDocumentElement();
xmlElement = xmlDoc.createElement(MSG_FORWARDING_ENABLED);
xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(this.switchboard.getConfigBool(MSG_FORWARDING_ENABLED,false))));
xmlRoot.appendChild(xmlElement);
xmlElement = xmlDoc.createElement(MSG_FORWARDING_CMD);
xmlElement.appendChild(xmlDoc.createTextNode(this.switchboard.getConfig(MSG_FORWARDING_CMD,"")));
xmlRoot.appendChild(xmlElement);
xmlElement = xmlDoc.createElement(MSG_FORWARDING_TO);
xmlElement.appendChild(xmlDoc.createTextNode(this.switchboard.getConfig(MSG_FORWARDING_TO,"")));
xmlRoot.appendChild(xmlElement);
return xmlDoc;
}
/**
* Function to query the last peer logging records. Please note that the maximum amount of records
* depends on the peer GuiHandler logging configuration.<br>
* Per default a maximum of 400 entries are kept in memory.
*
* See: DATA/LOG/yacy.logging:
* <pre>de.anomic.server.logging.GuiHandler.size = 400</pre>
*
* @param sequenceNumber all logging records with a squence number greater than this parameter are fetched.
*
* @return a XML document of the following format
* <pre>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
* &lt;log&gt;
* &lt;record&gt;
* &lt;date&gt;2006-11-03T15:35:09&lt;/date&gt;
* &lt;millis&gt;1162564509850&lt;/millis&gt;
* &lt;sequence&gt;15&lt;/sequence&gt;
* &lt;logger&gt;KELONDRO&lt;/logger&gt;
* &lt;level&gt;FINE&lt;/level&gt;
* &lt;thread&gt;10&lt;/thread&gt;
* &lt;message&gt;KELONDRO DEBUG /home/yacy/DATA/PLASMADB/ACLUSTER/indexAssortment009.db: preloaded 1 records into cache&lt;/message&gt;
* &lt;/record&gt;
* [...]
* &lt;/log&gt;
* </pre>
* This is the default format of the java logging {@link XMLFormatter} class.
* See: <a href="http://java.sun.com/j2se/1.4.2/docs/guide/util/logging/overview.html#2.4">Sample XML Output</a>
*
* @throws AxisFault if authentication failed
* @throws ParserConfigurationException on XML parser errors
**/
public Document getServerLog(Long sequenceNumber) throws Exception {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
Handler logHandler = null;
LogRecord[] log = null;
// getting the root handler
Logger logger = Logger.getLogger("");
// take a look for the GuiHandler
Handler[] handlers = logger.getHandlers();
for (int i=0; i<handlers.length; i++) {
if (handlers[i] instanceof GuiHandler) {
// getting the log records
logHandler = handlers[i];
log = ((GuiHandler)logHandler).getLogArray(sequenceNumber);
break;
}
}
// if the logging handler was not found report the error
if (logHandler == null) throw new AxisFault("GuiHandler not found");
StringBuffer buffer = new StringBuffer();
// format them into xml
XMLFormatter formatter = new XMLFormatter();
// adding header and removing DTD definition
buffer.append(formatter.getHead(logHandler).replaceAll("<!DOCTYPE.*>", ""));
// format the logging entries
for (int i=0; i < log.length; i++) {
buffer.append(formatter.format(log[i]));
}
// adding tailer
buffer.append(formatter.getTail(logHandler));
// convert into dom
return convertContentToXML(buffer.toString());
}
/**
* Function to configure the profile of this peer.
* If a input parameters is <code>null</code> the old value will not be overwritten.
*
* @param name the name of the peer owner
* @param nickname peer owner nick name
* @param homepage
* @param email
* @param icq
* @param jabber
* @param yahoo
* @param msn
* @param comments
*
* @throws AxisFault if authentication failed
*/
public void setLocalPeerProfile(
String name,
String nickname,
String homepage,
String email,
String icq,
String jabber,
String yahoo,
String msn,
String comments
) throws AxisFault {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// load peer properties
final Properties profile = new Properties();
FileInputStream fileIn = null;
try {
fileIn = new FileInputStream(new File("DATA/SETTINGS/profile.txt"));
profile.load(fileIn);
} catch(IOException e) {
throw new AxisFault("Unable to load the peer profile");
} finally {
if (fileIn != null) try { fileIn.close(); } catch (Exception e) {/* */}
}
// set all properties
if (name != null) profile.setProperty(PEERPROFILE_NAME,name);
if (nickname != null) profile.setProperty(PEERPROFILE_NICKNAME,nickname);
if (homepage != null) profile.setProperty(PEERPROFILE_HOMEPAGE,homepage);
if (email != null) profile.setProperty(PEERPROFILE_EMAIL,email);
if (icq != null) profile.setProperty(PEERPROFILE_ICQ,icq);
if (jabber != null) profile.setProperty(PEERPROFILE_JABBER,jabber);
if (yahoo != null) profile.setProperty(PEERPROFILE_YAHOO,yahoo);
if (msn != null) profile.setProperty(PEERPROFILE_MSN,msn);
if (comments != null) profile.setProperty(PEERPROFILE_COMMENT,comments);
// store it
FileOutputStream fileOut = null;
try {
fileOut = new FileOutputStream(new File("DATA/SETTINGS/profile.txt"));
profile.store(fileOut , null );
// generate a news message
Properties news = profile;
news.remove(PEERPROFILE_COMMENT);
yacyCore.newsPool.publishMyNews(new yacyNewsRecord(yacyNewsPool.CATEGORY_PROFILE_UPDATE, news));
} catch(IOException e) {
throw new AxisFault("Unable to write profile data to file");
} finally {
if (fileOut != null) try { fileOut.close(); } catch (Exception e) {/* */}
}
}
/**
* Returns the peer profile of this peer
* @return a xml document in the same format as returned by function {@link #getPeerProfile(String)}
* @throws Exception
*/
public Document getLocalPeerProfile() throws Exception {
return this.getPeerProfile("localhash");
}
/**
* Function to query the profile of a remote peer
* @param peerhash the peer hash
* @return a xml document in the following format
* <pre>
* &lt;?xml version="1.0" encoding="UTF-8"?&gt;
* &lt;profile&gt;
* &lt;status code="3"&gt;Peer profile successfully fetched&lt;/status&gt;
* &lt;name&gt;&lt;![CDATA[myName]]&gt;&lt;/name&gt;
* &lt;nickname&gt;&lt;![CDATA[myNickName]]&gt;&lt;/nickname&gt;
* &lt;homepage&gt;&lt;![CDATA[http://myhompage.de]]&gt;&lt;/homepage&gt;
* &lt;email/&gt;
* &lt;icq/&gt;
* &lt;jabber/&gt;
* &lt;yahoo/&gt;
* &lt;msn/&gt;
* &lt;comment&gt;&lt;![CDATA[Comments]]&gt;&lt;/comment&gt;
* &lt;/profile&gt;
* </pre>
* @throws Exception if authentication failed
*/
public Document getPeerProfile(String peerhash) throws Exception {
// extracting the message context
extractMessageContext(AUTHENTICATION_NEEDED);
// generating the template containing the network status information
serverObjects args = new serverObjects();
args.put(PEER_HASH,peerhash);
// invoke servlet
serverObjects tp = this.serverContext.invokeServlet(TEMPLATE_PROFILE_XML,args, this.requestHeader);
// query status
if (tp.containsKey(PEER_PROFILE_FETCH_SUCCESS)) {
String success = tp.get(PEER_PROFILE_FETCH_SUCCESS,"3");
if (success.equals("0")) throw new AxisFault("Invalid parameters passed to servlet.");
else if (success.equals("1")) throw new AxisFault("The requested peer is unknown or can not be accessed.");
else if (success.equals("2")) throw new AxisFault("The requested peer is offline");
} else {
throw new AxisFault("Unkown error. Unable to determine profile fetching status.");
}
// generate output
byte[] result = this.serverContext.buildServletOutput(TEMPLATE_PROFILE_XML, tp);
// sending back the result to the client
return this.convertContentToXML(result);
}
}
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