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   1 /**********************************************************************
   2  * Copyright (c) 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *    IBM - Initial API and implementation
  10  **********************************************************************/
  11 package net.sourceforge.phpdt.monitor.core.internal;
  12
  13 import java.util.*;
  14
  15 import net.sourceforge.phpdt.monitor.core.IContentFilter;
  16 import net.sourceforge.phpdt.monitor.core.IProtocolAdapter;
  17 import net.sourceforge.phpdt.monitor.core.IRequestListener;
  18
  19 import org.eclipse.core.runtime.*;
  20 /**
  21  * The monitor core plugin.
  22  */
  23 public class MonitorPlugin extends Plugin {
  24         public static final String PLUGIN_ID = "net.sourceforge.phpeclipse.monitor.core";
  25
  26         private static MonitorPlugin singleton;
  27
  28         protected Map protocolAdapters;
  29         protected Map contentFilters;
  30         protected IRequestListener[] requestListeners;
  31
  32         /**
  33          * MonitorPlugin constructor comment.
  34          */
  35         public MonitorPlugin() {
  36                 super();
  37                 singleton = this;
  38                 loadProtocolAdapters();
  39                 loadContentFilters();
  40         }
  41
  42         /**
  43          * Returns the singleton instance of this plugin.
  44          *
  45          * @return net.sourceforge.phpdt.monitor.core.MonitorPlugin
  46          */
  47         public static MonitorPlugin getInstance() {
  48                 return singleton;
  49         }
  50
  51         /**
  52          * Returns the translated String found with the given key.
  53          *
  54          * @return java.lang.String
  55          * @param key java.lang.String
  56          */
  57         public static String getString(String key) {
  58                 try {
  59                         return Platform.getResourceString(getInstance().getBundle(), key);
  60                 } catch (Exception e) {
  61                         return key;
  62                 }
  63         }
  64
  65         public IProtocolAdapter getDefaultType() {
  66                 return (ProtocolAdapter) protocolAdapters.get("HTTP");
  67         }
  68
  69         public IProtocolAdapter getProtocolAdapter(String id) {
  70                 return (ProtocolAdapter) protocolAdapters.get(id);
  71         }
  72
  73         public IProtocolAdapter[] getProtocolAdapters() {
  74                 List list = new ArrayList();
  75                 Iterator iterator = protocolAdapters.values().iterator();
  76                 while (iterator.hasNext()) {
  77                         list.add(iterator.next());
  78                 }
  79                 IProtocolAdapter[] types = new IProtocolAdapter[list.size()];
  80                 list.toArray(types);
  81                 return types;
  82         }
  83
  84         public IContentFilter[] getContentFilters() {
  85                 List list = new ArrayList();
  86                 Iterator iterator = contentFilters.values().iterator();
  87                 while (iterator.hasNext()) {
  88                         list.add(iterator.next());
  89                 }
  90                 IContentFilter[] cf = new IContentFilter[list.size()];
  91                 list.toArray(cf);
  92                 return cf;
  93         }
  94
  95         public IContentFilter getContentFilter(String id) {
  96                 return (IContentFilter) contentFilters.get(id);
  97         }
  98
  99         public IRequestListener[] getRequestListeners() {
 100                 if (requestListeners == null)
 101                         loadRequestListeners();
 102                 return requestListeners;
 103         }
 104
 105         public void loadProtocolAdapters() {
 106                 Trace.trace(Trace.CONFIG, "Loading protocol adapters");
 107                 IExtensionRegistry registry = Platform.getExtensionRegistry();
 108                 IConfigurationElement[] cf = registry.getConfigurationElementsFor(MonitorPlugin.PLUGIN_ID, "protocolAdapters");
 109
 110                 int size = cf.length;
 111                 protocolAdapters = new HashMap(size);
 112                 for (int i = 0; i < size; i++) {
 113                         String id = cf[i].getAttribute("id");
 114                         Trace.trace(Trace.CONFIG, "Loading adapter: " + id);
 115                         protocolAdapters.put(id, new ProtocolAdapter(cf[i]));
 116                 }
 117         }
 118
 119         public void loadContentFilters() {
 120                 Trace.trace(Trace.CONFIG, "Loading content filters");
 121                 IExtensionRegistry registry = Platform.getExtensionRegistry();
 122                 IConfigurationElement[] cf = registry.getConfigurationElementsFor(MonitorPlugin.PLUGIN_ID, "contentFilters");
 123
 124                 int size = cf.length;
 125                 contentFilters = new HashMap(size);
 126                 for (int i = 0; i < size; i++) {
 127                         String id = cf[i].getAttribute("id");
 128                         Trace.trace(Trace.CONFIG, "Loading filter: " + id);
 129                         contentFilters.put(id, new ContentFilter(cf[i]));
 130                 }
 131         }
 132
 133         public void loadRequestListeners() {
 134                 Trace.trace(Trace.CONFIG, "Loading request listeners");
 135                 IExtensionRegistry registry = Platform.getExtensionRegistry();
 136                 IConfigurationElement[] cf = registry.getConfigurationElementsFor(MonitorPlugin.PLUGIN_ID, "requestListeners");
 137
 138                 int size = cf.length;
 139                 List list = new ArrayList();
 140                 for (int i = 0; i < size; i++) {
 141                         String id = cf[i].getAttribute("id");
 142                         Trace.trace(Trace.CONFIG, "Loading request listener: " + id);
 143                         try {
 144                                 IRequestListener rl = (IRequestListener) cf[i].createExecutableExtension("class");
 145                                 list.add(rl);
 146                         } catch (Exception e) {
 147                                 Trace.trace(Trace.SEVERE, "Could not create request listener: " + id, e);
 148                                 return;
 149                         }
 150                 }
 151
 152                 size = list.size();
 153                 requestListeners = new IRequestListener[size];
 154                 list.toArray(requestListeners);
 155         }
 156 }