| /* |
| * 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.xmlgraphics.ps.dsc; |
| |
| import java.io.IOException; |
| |
| import org.apache.xmlgraphics.ps.dsc.events.DSCComment; |
| |
| /** |
| * Interface containing events generated by the DSCParser. Applications can implement this |
| * interface to react to certain events. |
| */ |
| public interface DSCHandler { |
| |
| /** |
| * Called as a new PostScript file starts. |
| * @param header the first line of the DSC-compliant file |
| * @throws IOException In case of an I/O error |
| */ |
| public void startDocument(String header) throws IOException; |
| |
| /** |
| * Called when the PostScript file is fully processed, i.e. after the %%EOF comment. |
| * @throws IOException In case of an I/O error |
| */ |
| public void endDocument() throws IOException; |
| |
| /** |
| * Called for each standard DSC comment. The classes passed to this method may be simple |
| * DSCComment classes or special subclasses for some of the DSC comments. |
| * @param comment the DSC comment |
| * @throws IOException In case of an I/O error |
| */ |
| public void handleDSCComment(DSCComment comment) throws IOException; |
| |
| /** |
| * Called for a normal line of PostScript code. |
| * @param line the line of code |
| * @throws IOException In case of an I/O error |
| */ |
| public void line(String line) throws IOException; |
| |
| /** |
| * Called for any line containing a full-line PostScript comment. This is also called for |
| * custom comments following the extension mechanism of the DSC specification. |
| * @param comment the comment line |
| * @throws IOException In case of an I/O error |
| */ |
| public void comment(String comment) throws IOException; |
| |
| } |