/jEdit/tags/jedit-4-3-pre5/org/gjt/sp/jedit/ServiceListHandler.java
Java | 161 lines | 94 code | 24 blank | 43 comment | 5 complexity | e13f04c0f9809bf37cfe80461d84e3fc MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * ServiceManager.java - Handles services.xml files in plugins
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 2003 Slava Pestov
- *
- * 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 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.
- */
- package org.gjt.sp.jedit;
- //{{{ Imports
- import java.io.*;
- import java.net.URL;
- import java.util.*;
- import org.xml.sax.Attributes;
- import org.xml.sax.InputSource;
- import org.xml.sax.helpers.DefaultHandler;
- import org.gjt.sp.util.Log;
- //}}}
- /**
- * @since jEdit 4.2pre1
- * @author Slava Pestov
- * @version $Id: ServiceListHandler.java 5443 2006-06-18 18:51:40Z vanza $
- */
- class ServiceListHandler extends DefaultHandler
- {
- //{{{ ServiceListHandler constructor
- ServiceListHandler(PluginJAR plugin, URL uri)
- {
- this.plugin = plugin;
- this.uri = uri;
- code = new StringBuffer();
- stateStack = new Stack();
- cachedServices = new LinkedList();
- } //}}}
- //{{{ resolveEntity() method
- public InputSource resolveEntity(String publicId, String systemId)
- {
- return MiscUtilities.findEntity(systemId, "services.dtd", getClass());
- } //}}}
- //{{{ characters() method
- public void characters(char[] c, int off, int len)
- {
- String tag = peekElement();
- if (tag == "SERVICE")
- code.append(c, off, len);
- } //}}}
- //{{{ startElement() method
- public void startElement(String uri, String localName,
- String tag, Attributes attrs)
- {
- tag = pushElement(tag);
- serviceName = attrs.getValue("NAME");
- serviceClass = attrs.getValue("CLASS");
- } //}}}
- //{{{ endElement() method
- public void endElement(String uri, String localName, String name)
- {
- String tag = peekElement();
- if(name.equals(tag))
- {
- if (tag.equals("SERVICE"))
- {
- ServiceManager.Descriptor d =
- new ServiceManager.Descriptor(
- serviceClass,serviceName,code.toString(),plugin);
- ServiceManager.registerService(d);
- cachedServices.add(d);
- code.setLength(0);
- }
- popElement();
- }
- else
- {
- // can't happen
- throw new InternalError();
- }
- } //}}}
- //{{{ startDocument() method
- public void startDocument()
- {
- try
- {
- pushElement(null);
- }
- catch (Exception e)
- {
- e.printStackTrace();
- }
- } //}}}
- //{{{ getCachedServices() method
- public ServiceManager.Descriptor[] getCachedServices()
- {
- return (ServiceManager.Descriptor[])cachedServices.toArray(
- new ServiceManager.Descriptor[cachedServices.size()]);
- } //}}}
- //{{{ Private members
- //{{{ Instance variables
- private PluginJAR plugin;
- private URL uri;
- private String serviceName;
- private String serviceClass;
- private StringBuffer code;
- private Stack stateStack;
- private List cachedServices;
- //}}}
- //{{{ pushElement() method
- private String pushElement(String name)
- {
- name = (name == null) ? null : name.intern();
- stateStack.push(name);
- return name;
- } //}}}
- //{{{ peekElement() method
- private String peekElement()
- {
- return (String) stateStack.peek();
- } //}}}
- //{{{ popElement() method
- private String popElement()
- {
- return (String) stateStack.pop();
- } //}}}
- //}}}
- }