com.pureinfo.srm.config.ModulesConfig.java Source code

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Here is the source code for com.pureinfo.srm.config.ModulesConfig.java

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/**
 * PureInfo Quake
 * @(#)ModulesConfig.java   1.0 2007-2-8
 * 
 * Copyright(c) 2004-2005, PureInfo Information Technology Corp. Ltd. 
 * All rights reserved, see the license file.
 * 
 * www.pureinfo.com.cn
 */

package com.pureinfo.srm.config;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.dom4j.Element;

import com.pureinfo.force.container.IClearable;
import com.pureinfo.force.exception.PureException;
import com.pureinfo.force.xml.IXMLSupporter;
import com.pureinfo.force.xml.XMLUtil;
import com.pureinfo.srm.config.register.SNDecoder;

/**
 * <P>
 * Created on 2007-2-8 04:35:06<BR>
 * Last modified on 2007-2-8
 * </P>
 * ModulesConfig: config for module.
 * 
 * @author Administrator
 * @version 1.0, 2007-2-8
 * @since Quake 1.2
 */
public class ModulesConfig implements IXMLSupporter, IClearable {

    private String m_sUnivCode;

    // modules map: <name(String), Module>
    private Map m_hMoudules = new HashMap();

    /**
     * Constructor
     * 
     * @param _sUnivCode
     *            the university code
     */
    public ModulesConfig(String _sUnivCode) {
        m_sUnivCode = _sUnivCode;
    }

    /**
     * @see com.pureinfo.force.container.IClearable#clear()
     */
    public void clear() {
        m_hMoudules.clear();
    }

    /**
     * Finds the module by name.
     * 
     * @param _sName
     *            the module name
     * @return the module
     */
    public Module getModule(String _sName) {
        return (Module) m_hMoudules.get(_sName);
    }

    /**
     * Returns <code>true</code> if the specified module is enabled.
     * 
     * @param _sName
     *            the module name
     * @return <code>true</code> if the specified module is enabled;
     *         <code>false</code> otherwise.
     */
    public boolean isModuleEnabled(String _sName) {
        Module module = this.getModule(_sName);
        return module != null && module.isEnabled();
    }

    /**
     * @see com.pureinfo.force.xml.IXMLSupporter#fromXML(org.dom4j.Element)
     */
    public void fromXML(Element _element) throws PureException {
        // 1. to clear the old
        this.clear();

        // 2. to read the modules
        if (_element == null)
            return; // skip
        List list = _element.elements("module");
        if (list != null) {
            try {
                for (int i = 0; i < list.size(); i++) {
                    Module module = new Module(m_sUnivCode);
                    module.fromXML((Element) list.get(i));
                    m_hMoudules.put(module.getName(), module);
                }
            } finally {
                list.clear();
            }
        }
    }

    /**
     * @see com.pureinfo.force.xml.IXMLSupporter#toXMLElement(org.dom4j.Element)
     */
    public void toXMLElement(Element _element) throws PureException {
        Iterator itr = m_hMoudules.values().iterator();
        while (itr.hasNext()) {
            Module module = (Module) itr.next();
            Element item = _element.addElement("module");
            module.toXMLElement(item);
        }
    }

    // ========================================================================
    // inside class
    public static class Module implements IXMLSupporter {
        private String m_sUnivCode;

        private String m_sName;

        private String m_sDesc;

        private boolean m_bEnabled;

        private String m_sLicence;

        /**
         * Constructor: default
         */
        public Module(String _sUnivCode) {
            m_sUnivCode = _sUnivCode;
        }

        /**
         * Returns the name.
         * 
         * @return the name.
         */
        public String getName() {
            return m_sName;
        }

        /**
         * Sets the name.
         * 
         * @param _sName
         *            the name to set.
         */
        public void setName(String _sName) {
            m_sName = _sName;
        }

        /**
         * Returns the desc.
         * 
         * @return the desc.
         */
        public String getDesc() {
            return m_sDesc;
        }

        /**
         * Sets the desc.
         * 
         * @param _sDesc
         *            the desc to set.
         */
        public void setDesc(String _sDesc) {
            m_sDesc = _sDesc;
        }

        /**
         * Returns the enabled.
         * 
         * @return the enabled.
         */
        public boolean isEnabled() {
            return m_bEnabled;
        }

        /**
         * @see com.pureinfo.force.xml.IXMLSupporter#fromXML(org.dom4j.Element)
         */
        public void fromXML(Element _element) throws PureException {
            m_sName = XMLUtil.getAttributeValueTrim(_element, "name");
            m_sDesc = XMLUtil.getAttributeValueTrim(_element, "desc");
            m_bEnabled = XMLUtil.getAttributeValueAsBool(_element, "enabled", false);
            m_sLicence = XMLUtil.getAttributeValueTrim(_element, "licence");

            if (m_bEnabled) {
                if (m_sLicence == null || m_sLicence.length() == 0) {
                    m_bEnabled = false;
                } else {
                    try {
                        String[] args = SNDecoder.decode(m_sLicence, 2);
                        if (!m_sName.equals(args[0]) || !m_sUnivCode.equals(args[1])) {
                            m_bEnabled = false;
                        }
                    } catch (Exception ex) {
                        m_bEnabled = false;
                    }
                }
            }
        }

        /**
         * @see com.pureinfo.force.xml.IXMLSupporter#toXMLElement(org.dom4j.Element)
         */
        public void toXMLElement(Element _element) throws PureException {
            _element.addAttribute("name", m_sName);
            _element.addAttribute("desc", m_sDesc);
            _element.addAttribute("enabled", String.valueOf(m_bEnabled));
            _element.addAttribute("licence", m_sLicence);
        }
    }
}