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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.ws.internal.consumption.common;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jst.ws.internal.common.AnyFilter;
import org.eclipse.jst.ws.internal.consumption.ConsumptionMessages;
import org.eclipse.jst.ws.internal.consumption.plugin.WebServiceConsumptionPlugin;
import org.eclipse.osgi.util.NLS;
/**
* This is a kind of Filter that accepts only objects
* which indicate a Java resource. In particular, any
* {@link org.eclipse.core.resources.IResource} whose
* pathname, or any object whose string representation as
* returned by <code>toString()</code>, ends in
* "<code>.java</code>" or "<code>.class</code>" will be accepted.
* All other objects will be rejected.
*/
public class JavaResourceFilter extends AnyFilter
{
/**
* A <code>JavaResourceFilter</code> constructed with this value will
* accept "<code>.java</code>", but not "<code>.class</code>", objects.
*/
public static final byte JAVA_FILES = (byte)1;
/**
* A <code>JavaResourceFilter</code> constructed with this value will
* accept "<code>.class</code>", but not "<code>.java</code>", objects.
*/
public static final byte CLASS_FILES = (byte)2;
/**
* A <code>JavaResourceFilter</code> constructed with this value will
* accept both "<code>.java</code>" and "<code>.class</code>" objects.
*/
public static final byte ALL_FILES = (byte)255;
private byte extensions_;
/**
* Constructs a new <code>JavaResourceFilter</code> that filters
* "<code>.java</code>" and "<code>.class</code>" objects.
* Equivalent to <code>JavaResourceFilter(ALL_FILES)</code>.
*/
public JavaResourceFilter ()
{
this(ALL_FILES);
}
/**
* Constructs a new <code>JavaResourceFilter</code> that filters
* "<code>.java</code>" objects, "<code>.class</code>" objects,
* or both if the value of <code>extensions</code> is
* {@link #JAVA_FILES}, {@link #CLASS_FILES} or {@link #ALL_FILES}
* respectively.
* @param extensions One of
* {@link #JAVA_FILES}, {@link #CLASS_FILES} or {@link #ALL_FILES}.
*/
public JavaResourceFilter ( byte extensions )
{
extensions_ = extensions;
}
/**
* Returns the locale-specific name of this filter.
* @return The locale-specific name of this filter.
*/
public String getName ()
{
return ConsumptionMessages.JAVA_FILTER_NAME;
}
/**
* Returns the locale-specific description of this filter.
* @return The locale-specific description of this filter.
*/
public String getDescription ()
{
return ConsumptionMessages.JAVA_FILTER_DESC;
}
/**
* Returns an {@link org.eclipse.core.runtime.IStatus}
* describing the <code>Filter</code>'s assessment of
* the given <code>object</code>.
* @param object The object to filter.
* @return An {@link org.eclipse.core.runtime.IStatus}
* indicating whether or not if the given <code>object</code>
* represents a Java resource.
*/
public IStatus statusOf ( Object object )
{
if (object == null)
{
return new Status(
IStatus.ERROR,
WebServiceConsumptionPlugin.ID,
0,
ConsumptionMessages.FILTER_MSG_ERROR_NULL_OBJECT,
null
);
}
String name = null;
if (object instanceof IResource)
{
IResource resource = (IResource)object;
name = resource.getFullPath().toString();
if (resource.getType() != IResource.FILE)
{
return new Status(
IStatus.ERROR,
WebServiceConsumptionPlugin.ID,
0,
NLS.bind(ConsumptionMessages.FILTER_MSG_ERROR_NOT_FILE,new Object[] {name}),
null
);
}
}
if (name == null)
{
name = object.toString();
}
if (!acceptsName(name))
{
return new Status(
IStatus.ERROR,
WebServiceConsumptionPlugin.ID,
0,
NLS.bind(ConsumptionMessages.JAVA_FILTER_MSG_ERROR_WRONG_EXTENSION,new Object[] {name}),
null
);
}
return new Status(IStatus.OK,WebServiceConsumptionPlugin.ID,0,"",null);
}
//
// Checks if the given name is acceptable based upon its extension
// and the value of the extensions_ bitmask.
//
private boolean acceptsName ( String name )
{
return (
(name.endsWith(".java") && ((extensions_ & JAVA_FILES) != 0)) ||
(name.endsWith(".class") && ((extensions_ & CLASS_FILES) != 0))
);
}
}
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