com.liferay.portlet.PortletContextImpl.java Source code

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Here is the source code for com.liferay.portlet.PortletContextImpl.java

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/**
 * 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.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import java.util.Set;

import javax.portlet.PortletContext;
import javax.portlet.PortletRequestDispatcher;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.liferay.portal.util.ReleaseInfo;
import com.liferay.util.GetterUtil;
import com.liferay.util.StringPool;

/**
 * <a href="PortletContextImpl.java.html"><b><i>View Source</i></b></a>
 *
 * @author  Brian Wing Shun Chan
 * @author  Brett Randall
 * @version $Revision: 1.18 $
 *
 */
public class PortletContextImpl implements PortletContext {

    public PortletContextImpl(ServletContext ctx) {
        _ctx = ctx;
        _ctxName = GetterUtil.getString(_ctx.getServletContextName());
    }

    public String getServerInfo() {
        return ReleaseInfo.getServerInfo();
    }

    public int getMajorVersion() {
        return _MAJOR_VERSION;
    }

    public int getMinorVersion() {
        return _MINOR_VERSION;
    }

    public String getPortletContextName() {
        return _ctxName;
    }

    public PortletRequestDispatcher getRequestDispatcher(String path) {
        RequestDispatcher rd = _ctx.getRequestDispatcher(path);

        // Workaround for bug in Jetty that returns the default request
        // dispatcher instead of null for an invalid path

        if ((rd != null) && (rd.getClass().getName().equals("org.mortbay.jetty.servlet.Dispatcher"))) {

            // Dispatcher[/,default[org.mortbay.jetty.servlet.Default]]

            String rdToString = rd.toString();

            String rdPath = rdToString.substring(11, rdToString.indexOf(","));

            if (rdPath.equals(StringPool.SLASH) && !path.equals(StringPool.SLASH)) {

                rd = null;
            }
        }

        if (rd != null) {
            return new PortletRequestDispatcherImpl(rd, this, path);
        } else {
            return null;
        }
    }

    public PortletRequestDispatcher getNamedDispatcher(String name) {
        RequestDispatcher rd = _ctx.getNamedDispatcher(name);

        if (rd != null) {
            return new PortletRequestDispatcherImpl(rd, this);
        } else {
            return null;
        }
    }

    public String getMimeType(String file) {
        return _ctx.getMimeType(file);
    }

    public String getRealPath(String path) {
        return _ctx.getRealPath(path);
    }

    public Set getResourcePaths(String path) {
        return _ctx.getResourcePaths(path);
    }

    public URL getResource(String path) throws MalformedURLException {
        if ((path == null) || (!path.startsWith(StringPool.SLASH))) {
            throw new MalformedURLException();
        }

        return _ctx.getResource(path);
    }

    public InputStream getResourceAsStream(String path) {
        return _ctx.getResourceAsStream(path);
    }

    public Object getAttribute(String name) {
        if (name == null) {
            throw new IllegalArgumentException();
        }

        return _ctx.getAttribute(name);
    }

    public void removeAttribute(String name) {
        if (name == null) {
            throw new IllegalArgumentException();
        }

        _ctx.removeAttribute(name);
    }

    public void setAttribute(String name, Object obj) {
        if (name == null) {
            throw new IllegalArgumentException();
        }

        _ctx.setAttribute(name, obj);
    }

    public Enumeration getAttributeNames() {
        return _ctx.getAttributeNames();
    }

    public String getInitParameter(String name) {
        if (name == null) {
            throw new IllegalArgumentException();
        }

        return _ctx.getInitParameter(name);
    }

    public Enumeration getInitParameterNames() {
        return _ctx.getInitParameterNames();
    }

    public ServletContext getServletContext() {
        return _ctx;
    }

    public void log(String msg) {
        _log.info(msg);
    }

    public void log(String msg, Throwable throwable) {
        _log.info(msg, throwable);
    }

    private static final Log _log = LogFactory.getLog(PortletContextImpl.class);

    private static int _MAJOR_VERSION = 1;
    private static int _MINOR_VERSION = 0;

    private ServletContext _ctx;
    private String _ctxName = null;

}