com.predic8.plugin.membrane.labelproviders.RulesViewLabelProvider.java Source code

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Here is the source code for com.predic8.plugin.membrane.labelproviders.RulesViewLabelProvider.java

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/* Copyright 2009 predic8 GmbH, www.predic8.com
    
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
    
   http://www.apache.org/licenses/LICENSE-2.0
    
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License. */

package com.predic8.plugin.membrane.labelproviders;

import java.text.NumberFormat;

import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;

import com.predic8.membrane.core.Router;
import com.predic8.membrane.core.rules.ForwardingRule;
import com.predic8.membrane.core.rules.Rule;
import com.predic8.membrane.core.statistics.RuleStatistics;
import com.predic8.plugin.membrane.MembraneUIPlugin;
import com.predic8.plugin.membrane.resources.ImageKeys;

public class RulesViewLabelProvider extends LabelProvider implements ITableLabelProvider, ITableColorProvider {

    private NumberFormat nf = NumberFormat.getInstance();

    private Image ruleProxyImage;

    private Image ruleForwardingImage;

    public RulesViewLabelProvider() {
        nf.setMaximumFractionDigits(3);
        ruleProxyImage = MembraneUIPlugin.getDefault().getImageRegistry().getDescriptor(ImageKeys.IMAGE_RULE_PROXY)
                .createImage();
        ruleForwardingImage = MembraneUIPlugin.getDefault().getImageRegistry()
                .getDescriptor(ImageKeys.IMAGE_RULE_REVERSE_PROXY).createImage();
    }

    public Image getColumnImage(Object element, int columnIndex) {
        if (columnIndex != 0)
            return null;
        if (element instanceof ForwardingRule) {
            return ruleForwardingImage;
        }
        return ruleProxyImage;
    }

    public String getColumnText(Object element, int columnIndex) {
        Rule rule = (Rule) element;

        RuleStatistics statistics = Router.getInstance().getExchangeStore().getStatistics(rule.getKey());

        switch (columnIndex) {
        case 0:
            return rule.toString();
        case 1:
            return "" + statistics.getCountTotal();
        default:
            throw new RuntimeException("Table in rules view  must have only 3 columns");
        }
    }

    public Color getBackground(Object element, int columnIndex) {

        return null;
    }

    public Color getForeground(Object element, int columnIndex) {

        return null;
    }

}