| 1 | /*
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| 2 | * Copyright 2000-2002,2004 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 |
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| 18 | package org.apache.tools.ant.taskdefs.optional;
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| 19 |
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| 20 | import java.io.File;
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| 21 | import java.io.FileInputStream;
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| 22 | import java.io.FileOutputStream;
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| 23 | import java.io.IOException;
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| 24 | import org.apache.tools.ant.taskdefs.XSLTLiaison;
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| 25 | import org.apache.xalan.xslt.XSLTInputSource;
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| 26 | import org.apache.xalan.xslt.XSLTProcessor;
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| 27 | import org.apache.xalan.xslt.XSLTProcessorFactory;
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| 28 | import org.apache.xalan.xslt.XSLTResultTarget;
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| 29 |
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| 30 | /**
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| 31 | * Concrete liaison for Xalan 1.x API.
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| 32 | *
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| 33 | * @since Ant 1.1
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| 34 | */
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| 35 | public class XalanLiaison implements XSLTLiaison {
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| 36 |
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| 37 | protected XSLTProcessor processor;
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| 38 | protected File stylesheet;
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| 39 |
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| 40 | public XalanLiaison() throws Exception {
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| 41 | processor = XSLTProcessorFactory.getProcessor();
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| 42 | }
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| 43 |
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| 44 | public void setStylesheet(File stylesheet) throws Exception {
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| 45 | this.stylesheet = stylesheet;
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| 46 | }
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| 47 |
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| 48 | public void transform(File infile, File outfile) throws Exception {
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| 49 | FileInputStream fis = null;
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| 50 | FileOutputStream fos = null;
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| 51 | FileInputStream xslStream = null;
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| 52 | try {
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| 53 | xslStream = new FileInputStream(stylesheet);
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| 54 | fis = new FileInputStream(infile);
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| 55 | fos = new FileOutputStream(outfile);
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| 56 | // systemid such as file:/// + getAbsolutePath() are considered
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| 57 | // invalid here...
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| 58 | XSLTInputSource xslSheet = new XSLTInputSource(xslStream);
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| 59 | xslSheet.setSystemId(stylesheet.getAbsolutePath());
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| 60 | XSLTInputSource src = new XSLTInputSource(fis);
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| 61 | src.setSystemId(infile.getAbsolutePath());
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| 62 | XSLTResultTarget res = new XSLTResultTarget(fos);
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| 63 | processor.process(src, xslSheet, res);
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| 64 | } finally {
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| 65 | // make sure to close all handles, otherwise the garbage
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| 66 | // collector will close them...whenever possible and
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| 67 | // Windows may complain about not being able to delete files.
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| 68 | try {
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| 69 | if (xslStream != null) {
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| 70 | xslStream.close();
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| 71 | }
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| 72 | } catch (IOException ignored) {
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| 73 | //ignore
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| 74 | }
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| 75 | try {
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| 76 | if (fis != null) {
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| 77 | fis.close();
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| 78 | }
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| 79 | } catch (IOException ignored) {
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| 80 | //ignore
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| 81 | }
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| 82 | try {
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| 83 | if (fos != null) {
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| 84 | fos.close();
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| 85 | }
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| 86 | } catch (IOException ignored) {
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| 87 | //ignore
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| 88 | }
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| 89 | }
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| 90 | }
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| 91 |
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| 92 | public void addParam(String name, String value) {
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| 93 | processor.setStylesheetParam(name, value);
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| 94 | }
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| 95 |
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| 96 | } //-- XalanLiaison
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