bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/model/WorkbenchMarker.java

/************************************************************************
Copyright (c) 2000, 2003 IBM Corporation and others.
All rights reserved.   This program and the accompanying materials
are made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html

Contributors:
	IBM - Initial implementation
************************************************************************/

package org.eclipse.ui.internal.model;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IMarkerActionFilter;
import org.eclipse.ui.actions.SimpleWildcardTester;
import org.eclipse.ui.internal.WorkbenchPlugin;

/**
 * Model object for adapting IMarker objects to the IWorkbenchAdapter
 * interface.
 */
public class WorkbenchMarker
	extends WorkbenchAdapter
	implements IMarkerActionFilter {
/**
 * @see IWorkbenchAdapter#getImageDescriptor
 */
public ImageDescriptor getImageDescriptor(Object o) {
	if(!(o instanceof IMarker))
			return null;
	return WorkbenchPlugin.getDefault().getMarkerImageProviderRegistry().getImageDescriptor((IMarker)o);
}
/**
 * Returns the name of this element.  This will typically
 * be used to assign a label to this object when displayed
 * in the UI.
 */
public String getLabel(Object o) {
	IMarker marker = (IMarker) o;
	return marker.getAttribute(IMarker.MESSAGE, "");//$NON-NLS-1$
}
/**
 * Returns the logical parent of the given object in its tree.
 */
public Object getParent(Object o) {
	return ((IMarker)o).getResource();
}
/**
 * Returns whether the specific attribute matches the state of the target
 * object.
 *
 * @param taret the target object
 * @param name the attribute name
 * @param value the attriute value
 * @return <code>true</code> if the attribute matches; <code>false</code> otherwise
 */
public boolean testAttribute(Object target, String name, String value) {
	IMarker marker = (IMarker) target;
	if (name.equals(TYPE)) {
		try {
			return value.equals(marker.getType());
		} catch (CoreException e) {
			return false;
		}
	} else if (name.equals(SUPER_TYPE)) {
		try {
			return marker.isSubtypeOf(value);
		} catch (CoreException e) {
			return false;
		}
	} else if (name.equals(PRIORITY)) {
		return testIntegerAttribute(marker, IMarker.PRIORITY, value);
	} else if (name.equals(SEVERITY)) {
		return testIntegerAttribute(marker, IMarker.SEVERITY, value);
	} else if (name.equals(MESSAGE)) {
		try {
			String msg = (String)marker.getAttribute(IMarker.MESSAGE);
			if (msg == null)
				return false;
			return SimpleWildcardTester.testWildcardIgnoreCase(value, msg);
		} catch (CoreException e) {
			return false;
		}
	} else if (name.equals(DONE)) {
		try {
			value = value.toLowerCase();
			Boolean done = (Boolean)marker.getAttribute(IMarker.DONE);
			if (done == null)
				return false;
			return (done.booleanValue() == value.equals("true"));//$NON-NLS-1$
		} catch (CoreException e) {
			return false;
		}
	} else if (name.equals(RESOURCE_TYPE)) {
		int desiredType = 0;
		
		try {
			desiredType = Integer.parseInt(value);
		} catch (NumberFormatException eNumberFormat) {			
		}
		
		if (!(desiredType == IResource.FILE || desiredType == IResource.FOLDER ||  
			desiredType == IResource.PROJECT || desiredType == IResource.ROOT))
			return false;
				
		return (marker.getResource().getType() & desiredType) > 0;  
	}
	return false;
}
/**
 * Returns whether the specific integer attribute matches a value.
 */
private boolean testIntegerAttribute(IMarker marker, String attrName, String value) {
	Integer i1, i2;
	try {
		i1 = (Integer)marker.getAttribute(attrName);
		if (i1 == null)
			return false;
	} catch (CoreException e) {
		return false;
	}
	try {
		i2 = Integer.valueOf(value);
	} catch (NumberFormatException e) {
		return false;
	}
	return i1.equals(i2);
}
}