ingo@0: /*
ingo@0:  * Copyright (c) 2010 by Intevation GmbH
ingo@0:  *
ingo@0:  * This program is free software under the LGPL (>=v2.1)
ingo@0:  * Read the file LGPL.txt coming with the software for details
ingo@0:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@0:  */
ingo@0: package de.intevation.artifacts.httpclient.utils;
ingo@0: 
ingo@0: import java.io.File;
ingo@0: import java.io.FileInputStream;
ingo@0: import java.io.IOException;
ingo@0: import java.util.HashMap;
ingo@0: import java.util.Map;
ingo@0: 
ingo@0: import org.w3c.dom.Document;
ingo@0: import org.w3c.dom.Node;
ingo@0: import org.w3c.dom.NodeList;
ingo@0: 
ingo@0: import org.apache.log4j.Logger;
ingo@0: 
ingo@0: /**
ingo@0:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@0:  */
ingo@0: public class Configuration {
ingo@0: 
ingo@0:     private static final Logger logger = Logger.getLogger(Configuration.class);
ingo@0: 
ingo@0:     private File config;
ingo@0: 
ingo@0:     private Map serverSettings;
ingo@0:     private Map artifactSettings;
ingo@0:     private Map outputSettings;
ingo@0: 
ingo@0:     public static final String XPATH_SERVER = "/configuration/artifact-server";
ingo@0:     public static final String XPATH_ARTIFACT = "/configuration/artifact";
ingo@0:     public static final String XPATH_OUTPUT = "/configuration/output";
ingo@0: 
ingo@0: 
ingo@0:     public Configuration(File config) {
ingo@0:         this.config      = config;
ingo@0:         serverSettings   = new HashMap();
ingo@0:         artifactSettings = new HashMap();
ingo@0:         outputSettings   = new HashMap();
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     public void initialize()
ingo@0:     throws IOException
ingo@0:     {
ingo@0:         Document conf = XMLUtils.readDocument(new FileInputStream(config));
ingo@0: 
ingo@0:         if (conf == null) {
ingo@0:             throw new IOException("Can't read config: " + config.getName());
ingo@0:         }
ingo@0: 
ingo@0:         readServerSettings(conf);
ingo@0:         readArtifactSettings(conf);
ingo@0:         readOutputSettings(conf);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     private void readServerSettings(Document document)
ingo@0:     throws IOException
ingo@0:     {
ingo@0:         Node serverNode = XMLUtils.getNodeXPath(document, XPATH_SERVER);
ingo@0: 
ingo@0:         if (serverNode == null) {
ingo@0:             throw new IOException("No server configuration found.");
ingo@0:         }
ingo@0: 
ingo@0:         serverSettings = extractSettings(serverSettings, serverNode);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     private void readArtifactSettings(Document document)
ingo@0:     throws IOException
ingo@0:     {
ingo@0:         Node artifactNode = XMLUtils.getNodeXPath(document, XPATH_ARTIFACT);
ingo@0: 
ingo@0:         if (artifactNode == null) {
ingo@0:             throw new IOException("No artifact configuration found.");
ingo@0:         }
ingo@0: 
ingo@0:         artifactSettings = extractSettings(artifactSettings, artifactNode);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     private void readOutputSettings(Document document)
ingo@0:     throws IOException
ingo@0:     {
ingo@0:         Node outputNode = XMLUtils.getNodeXPath(document, XPATH_OUTPUT);
ingo@0: 
ingo@0:         if (outputNode == null) {
ingo@0:             throw new IOException("No output configuration found.");
ingo@0:         }
ingo@0: 
ingo@0:         outputSettings = extractSettings(outputSettings, outputNode);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     private Map extractSettings(Map settings, Node node) {
ingo@0:         NodeList children = node.getChildNodes();
ingo@0: 
ingo@0:         for (int i = 0; i < children.getLength(); i++) {
ingo@0:             Node child = children.item(i);
ingo@0:             if (child.getNodeType() == Node.ELEMENT_NODE)
ingo@0:                 logger.debug(child.getNodeName() + "|" + child.getTextContent());
ingo@0:                 settings.put(child.getNodeName(), child.getTextContent());
ingo@0:         }
ingo@0: 
ingo@0:         return settings;
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     public Object getServerSettings(String key) {
ingo@0:         return serverSettings.get(key);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     public Object getArtifactSettings(String key) {
ingo@0:         return artifactSettings.get(key);
ingo@0:     }
ingo@0: 
ingo@0: 
ingo@0:     public Object getOutputSettings(String key) {
ingo@0:         return outputSettings.get(key);
ingo@0:     }
ingo@0: }
ingo@0: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: