| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.render.ps; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.xmlgraphics.ps.PSResource; |
| import org.apache.xmlgraphics.ps.dsc.DSCException; |
| import org.apache.xmlgraphics.ps.dsc.DSCParser; |
| import org.apache.xmlgraphics.ps.dsc.events.AbstractResourceDSCComment; |
| import org.apache.xmlgraphics.ps.dsc.events.DSCComment; |
| import org.apache.xmlgraphics.ps.dsc.events.DSCEvent; |
| |
| import org.apache.fop.apps.FOUserAgent; |
| import org.apache.fop.apps.MimeConstants; |
| import org.apache.fop.render.AbstractRenderingTestCase; |
| |
| /** |
| * Abstract base class for PostScript verification tests. |
| */ |
| public abstract class AbstractPostScriptTestCase extends AbstractRenderingTestCase { |
| |
| /** |
| * Renders a test file. |
| * @param ua the user agent (with override set!) |
| * @param resourceName the resource name for the FO file |
| * @param suffix a suffix for the output filename |
| * @return the output file |
| * @throws Exception if an error occurs |
| */ |
| protected File renderFile(FOUserAgent ua, String resourceName, String suffix) |
| throws Exception { |
| return renderFile(ua, resourceName, suffix, MimeConstants.MIME_POSTSCRIPT); |
| } |
| |
| /** |
| * Scans for a certain resource DSC comment and checks against a given resource. |
| * @param parser the DSC parser |
| * @param comment the comment to scan for |
| * @param resource the resource to check against |
| * @throws IOException if an I/O error occurs |
| * @throws DSCException if a DSC error occurs |
| */ |
| protected void checkResourceComment(DSCParser parser, String comment, PSResource resource) |
| throws IOException, DSCException { |
| AbstractResourceDSCComment resComment; |
| resComment = (AbstractResourceDSCComment)gotoDSCComment(parser, comment); |
| assertEquals(resource, resComment.getResource()); |
| } |
| |
| /** |
| * Advances the DSC parser to a DSC comment with the given name. |
| * @param parser the DSC parser |
| * @param name the name of the DSC comment |
| * @return the DSC comment |
| * @throws IOException if an I/O error occurs |
| * @throws DSCException if a DSC error occurs |
| */ |
| protected static DSCComment gotoDSCComment(DSCParser parser, String name) |
| throws IOException, DSCException { |
| while (parser.hasNext()) { |
| DSCEvent event = parser.nextEvent(); |
| if (event.isDSCComment()) { |
| DSCComment comment = event.asDSCComment(); |
| if (comment.getName().equals(name)) { |
| return comment; |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |