| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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)) |
| ); |
| } |
| } |