Package org.megatome.frame2.front.config

Source Code of org.megatome.frame2.front.config.ForwardTagHandler

/*
* ====================================================================
*
* Frame2 Open Source License
*
* Copyright (c) 2004-2007 Megatome Technologies.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution, if
*    any, must include the following acknowlegement:
*       "This product includes software developed by
*        Megatome Technologies."
*    Alternately, this acknowlegement may appear in the software itself,
*    if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Frame2 Project", and "Frame2",
*    must not be used to endorse or promote products derived
*    from this software without prior written permission. For written
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*
* 5. Products derived from this software may not be called "Frame2"
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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package org.megatome.frame2.front.config;

import java.util.HashMap;
import java.util.Map;

import org.megatome.frame2.util.sax.ParserException;
import org.xml.sax.Attributes;

/**
* ForwardTagHandler handles the forward elements of the Configuration file.
*/
class ForwardTagHandler extends ConfigElementHandler {
    // attribute consts
    public static final String NAME = "name"; //$NON-NLS-1$
    public static final String TYPE = "type"; //$NON-NLS-1$
    public static final String PATH = "path"; //$NON-NLS-1$

    public static final String INVALID_TYPE = "Error: Invalid forward type "; //$NON-NLS-1$

    // 2 maps needed, one for XML forwards
    // 1 for html forwards, so each forward name
    // can be identical for both. Events are stored
    // in both for ease of access.
    private Map<String, Forward> forwards = new HashMap<String, Forward>();
    private Map<String, Forward> xmlForwards = new HashMap<String, Forward>();

    @Override
  public void startElement(@SuppressWarnings("unused")
  String uri, @SuppressWarnings("unused")
  String localName, @SuppressWarnings("unused")
  String qName,
            Attributes attributes) throws ParserException {
        String name = attributes.getValue(NAME);
        String type = attributes.getValue(TYPE);
        ForwardType ftype = ForwardType.fromString(type);

        if (ftype == null) {
            throw new ParserException(INVALID_TYPE + name + " type " + type); //$NON-NLS-1$
        }

        Forward forward = new Forward(name, ftype, attributes.getValue(PATH));

        if (ftype.equals(ForwardType.HTMLRESOURCE)) {
            this.forwards.put(name, forward);
        } else if (ftype.equals(ForwardType.XMLRESOURCE)
                || ftype.equals(ForwardType.XMLRESPONDER)) {
            this.xmlForwards.put(name, forward);
        } else if (ftype.equals(ForwardType.EVENT)) {
            // put event in both maps
            // for easier lookup by type.
            this.forwards.put(name, forward);
            this.xmlForwards.put(name, forward);
        }
    }

    /**
     * @return returns a HashMap of the XMLForwards
     */
    public Map<String, Forward> getXMLForwards() {
        return this.xmlForwards;
    }

    /**
     * @return returns a HashMap of the HTMLForwards
     */
    public Map<String, Forward> getHTMLForwards() {
        return this.forwards;
    }

    /**
     * clear the Forwards List
     */
    @Override
  public void clear() {
        this.forwards.clear();
        this.xmlForwards.clear();
    }
}
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