Package com.liferay.portlet

Source Code of com.liferay.portlet.PortletPreferencesSerializer

/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

package com.liferay.portlet;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.dotcms.repackage.javax.portlet.PortletPreferences;

import com.dotcms.repackage.org.dom4j.Document;
import com.dotcms.repackage.org.dom4j.DocumentException;
import com.dotcms.repackage.org.dom4j.DocumentFactory;
import com.dotcms.repackage.org.dom4j.Element;
import com.dotcms.repackage.org.dom4j.io.OutputFormat;
import com.dotcms.repackage.org.dom4j.io.SAXReader;
import com.dotcms.repackage.org.dom4j.io.XMLWriter;

import com.liferay.portal.PortalException;
import com.liferay.portal.SystemException;
import com.liferay.portal.ejb.PortletPreferencesPK;
import com.liferay.util.GetterUtil;
import com.liferay.util.Validator;

/**
* <a href="PortletPreferencesSerializer.java.html"><b><i>View Source</i></b>
* </a>
*
* @author  Brian Wing Shun Chan
* @author  Jon Steer
* @author  Zongliang Li
* @version $Revision: 1.18 $
*
*/
public class PortletPreferencesSerializer {

  public static PortletPreferences fromDefaultXML(String xml)
    throws PortalException, SystemException {

    PortletPreferencesImpl prefs = new PortletPreferencesImpl();

    if (Validator.isNull(xml)) {
      return prefs;
    }

    Map preferences = prefs.getPreferences();

    try {
      Document doc = new SAXReader().read(new StringReader(xml));

      Element root = doc.getRootElement();

      Iterator itr1 = root.elements("preference").iterator();

      while (itr1.hasNext()) {
        Element prefEl = (Element)itr1.next();

        String name = prefEl.elementTextTrim("name");

        List values = new ArrayList();

        Iterator itr2 = prefEl.elements("value").iterator();

        while (itr2.hasNext()) {
          Element valueEl = (Element)itr2.next();

          /*if (valueEl.nodeCount() <= 0) {
            values.add(valueEl.getText());
          }
          else {
            values.add(valueEl.node(0).asXML());
          }*/

          values.add(valueEl.getTextTrim());
        }

        boolean readOnly =
          GetterUtil.get(prefEl.elementText("read-only"), false);

        Preference preference = new Preference(
          name, (String[])values.toArray(new String[0]), readOnly);

        preferences.put(name, preference);
      }

      return prefs;
    }
    catch (DocumentException de) {
      throw new SystemException(de);
    }
  }

  public static PortletPreferencesImpl fromXML(
      String companyId, PortletPreferencesPK pk, String xml)
    throws PortalException, SystemException {

    try {
      PortletPreferencesImpl prefs =
        (PortletPreferencesImpl)fromDefaultXML(xml);

      prefs = new PortletPreferencesImpl(
        companyId, pk, prefs.getPreferences());

      return prefs;
    }
    catch (PortalException pe) {
      throw pe;
    }
    catch (SystemException se) {
      throw se;
    }
  }

  public static String toXML(PortletPreferencesImpl prefs)
    throws SystemException {

    try {
      Map preferences = prefs.getPreferences();

      DocumentFactory docFactory = DocumentFactory.getInstance();

      Element portletPreferences =
        docFactory.createElement("portlet-preferences");

      Iterator itr = preferences.entrySet().iterator();

      while (itr.hasNext()) {
        Map.Entry entry = (Map.Entry)itr.next();

        Preference preference = (Preference)entry.getValue();

        Element prefEl = docFactory.createElement("preference");

        Element nameEl = docFactory.createElement("name");
        nameEl.addText(preference.getName());

        prefEl.add(nameEl);

        String[] values = preference.getValues();

        for (int i = 0; i < values.length; i++) {
          Element valueEl = docFactory.createElement("value");
          valueEl.addText(values[i]);

          prefEl.add(valueEl);
        }

        if (preference.isReadOnly()) {
          Element valueEl = docFactory.createElement("read-only");
          valueEl.addText("true");
        }

        portletPreferences.add(prefEl);
      }

      ByteArrayOutputStream baos = new ByteArrayOutputStream();

      XMLWriter writer = new XMLWriter(
        baos, OutputFormat.createCompactFormat());

      writer.write(portletPreferences);

      return baos.toString();
    }
    catch (IOException ioe) {
      throw new SystemException(ioe);
    }
  }

}
TOP

Related Classes of com.liferay.portlet.PortletPreferencesSerializer

TOP
Copyright © 2015 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.