com.ibm.xsp.extlib.designer.tooling.panels.util.AttributeLabelProvider.java Source code

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Here is the source code for com.ibm.xsp.extlib.designer.tooling.panels.util.AttributeLabelProvider.java

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/*
 *  Copyright IBM Corp. 2011
 * 
 * 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.ibm.xsp.extlib.designer.tooling.panels.util;

import org.eclipse.jface.viewers.LabelProvider;

import com.ibm.commons.iloader.node.IAttribute;
import com.ibm.commons.iloader.node.IClassDef;
import com.ibm.commons.iloader.node.ILoader;
import com.ibm.commons.iloader.node.IMember;

public class AttributeLabelProvider extends LabelProvider {

    final String attrName;
    final ILoader loader;

    public AttributeLabelProvider(String attrName, ILoader loader) {
        this.attrName = attrName;
        this.loader = loader;
    }

    public String getText(Object o) {
        String s = "";//$NON-NLS-1$

        if (loader != null) {
            try {
                IClassDef def = loader.getClassOf(o);
                if (def != null) {
                    IMember m = def.getMember(attrName);
                    if (m instanceof IAttribute) {
                        s = loader.getValue(o, (IAttribute) m);
                    }
                }

            } catch (Exception e) {
                System.err.println(e.toString());
            }
        }

        return s;
    }

}