org.eclipse.packagedrone.repo.channel.util.AbstractChannelInterfaceExtender.java Source code

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Here is the source code for org.eclipse.packagedrone.repo.channel.util.AbstractChannelInterfaceExtender.java

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/*******************************************************************************
 * Copyright (c) 2015, 2016 IBH SYSTEMS GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.packagedrone.repo.channel.util;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.eclipse.packagedrone.repo.channel.ChannelInformation;
import org.eclipse.packagedrone.web.common.InterfaceExtender;
import org.eclipse.packagedrone.web.common.menu.MenuEntry;

import com.google.common.net.UrlEscapers;

/**
 * An abstract InterfaceExtender which only processes Channel instances
 */
public abstract class AbstractChannelInterfaceExtender implements InterfaceExtender {
    protected boolean filterChannel(final ChannelInformation channel) {
        return true;
    }

    @Override
    public List<MenuEntry> getActions(final HttpServletRequest request, final Object object) {
        if (object instanceof ChannelInformation) {
            final ChannelInformation channel = (ChannelInformation) object;
            if (filterChannel(channel)) {
                return getChannelActions(request, channel);
            }
        }
        return null;
    }

    protected List<MenuEntry> getChannelActions(final HttpServletRequest request,
            final ChannelInformation channel) {
        return null;
    }

    @Override
    public List<MenuEntry> getViews(final HttpServletRequest request, final Object object) {
        if (object instanceof ChannelInformation) {
            final ChannelInformation channel = (ChannelInformation) object;
            if (filterChannel(channel)) {
                return getChannelViews(request, channel);
            }
        }
        return null;
    }

    protected List<MenuEntry> getChannelViews(final HttpServletRequest request, final ChannelInformation channel) {
        return null;
    }

    protected static String escapePathSegment(final String segment) {
        return UrlEscapers.urlPathSegmentEscaper().escape(segment);
    }
}