com.cordys.coe.tools.jmx.tables.AttributesLabelProvider.java Source code

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Here is the source code for com.cordys.coe.tools.jmx.tables.AttributesLabelProvider.java

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/**
 * net.jmesnil.jmx.ui
 * Copyright (C) 2006 Jeff Mesnil
 * Contact: http://www.jmesnil.net
 *
 * 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.cordys.coe.tools.jmx.tables;

import com.cordys.coe.tools.jmx.JMXImageRegistry;
import com.cordys.coe.tools.jmx.StringUtils;
import com.cordys.coe.tools.jmx.resources.MBeanAttributeInfoWrapper;

import javax.management.MBeanAttributeInfo;

import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.swt.graphics.Image;

/**
 * DOCUMENTME.
 *
 * @author  $author$
 */
class AttributesLabelProvider extends LabelProvider implements ITableLabelProvider {
    /**
     * DOCUMENTME.
     *
     * @param   element      DOCUMENTME
     * @param   columnIndex  DOCUMENTME
     *
     * @return  DOCUMENTME
     */
    public Image getColumnImage(Object element, int columnIndex) {
        Image iReturn = null;

        if (!(element instanceof MBeanAttributeInfoWrapper)) {
            return super.getImage(element);
        }

        MBeanAttributeInfoWrapper wrapper = (MBeanAttributeInfoWrapper) element;
        MBeanAttributeInfo attrInfo = wrapper.getMBeanAttributeInfo();

        switch (columnIndex) {
        case 0:
            if (attrInfo.isReadable() && attrInfo.isWritable()) {
                iReturn = JMXImageRegistry.loadImage(JMXImageRegistry.IMG_MBEAN_ATTR_READ_WRITE);
            } else if (attrInfo.isReadable()) {
                iReturn = JMXImageRegistry.loadImage(JMXImageRegistry.IMG_MBEAN_ATTR_READ);
            } else if (attrInfo.isWritable()) {
                iReturn = JMXImageRegistry.loadImage(JMXImageRegistry.IMG_MBEAN_ATTR_WRITE);
            }
            break;
        }
        return iReturn;
    }

    /**
     * DOCUMENTME.
     *
     * @param   element      DOCUMENTME
     * @param   columnIndex  DOCUMENTME
     *
     * @return  DOCUMENTME
     */
    public String getColumnText(Object element, int columnIndex) {
        if (!(element instanceof MBeanAttributeInfoWrapper)) {
            return super.getText(element);
        }

        MBeanAttributeInfoWrapper wrapper = (MBeanAttributeInfoWrapper) element;
        MBeanAttributeInfo attrInfo = wrapper.getMBeanAttributeInfo();

        switch (columnIndex) {
        case 0:
            return attrInfo.getName();

        case 1:

            try {
                String sValue = "<not readable>";

                if (wrapper.getMBeanAttributeInfo().isReadable()) {
                    sValue = StringUtils.toString(wrapper.getValue(), false);
                }
                return sValue;
            } catch (Throwable t) {
                t.printStackTrace();
                return "Error: " + t.getMessage();
            }
        }

        return getText(element);
    }
}