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/*******************************************************************************
* Copyright (c) 2007, 2013 David Green and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.wikitext.ant.internal;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FileSet;
import org.eclipse.mylyn.wikitext.ant.MarkupTask;
import org.eclipse.mylyn.wikitext.parser.MarkupParser;
import org.eclipse.mylyn.wikitext.parser.builder.DocBookDocumentBuilder;
import org.eclipse.mylyn.wikitext.parser.markup.MarkupLanguage;
import org.eclipse.mylyn.wikitext.util.XmlStreamWriter;
/**
* An Ant task for converting markup to docbook format.
*
* @author David Green
*
*/
public class MarkupToDocbookTask extends MarkupTask {
private final List<FileSet> filesets = new ArrayList<FileSet>();
private String docbookFilenameFormat = "$1.xml"; //$NON-NLS-1$
private String bookTitle;
private boolean overwrite = true;
protected File file;
private String doctype;
/**
* Adds a set of files to process.
*/
public void addFileset(FileSet set) {
filesets.add(set);
}
@Override
public void execute() throws BuildException {
if (file == null && filesets.isEmpty()) {
throw new BuildException(Messages.getString("MarkupToDocbookTask.1")); //$NON-NLS-1$
}
if (file != null && !filesets.isEmpty()) {
throw new BuildException(Messages.getString("MarkupToDocbookTask.2")); //$NON-NLS-1$
}
if (file != null) {
if (!file.exists()) {
throw new BuildException(MessageFormat.format(Messages.getString("MarkupToDocbookTask.3"), file)); //$NON-NLS-1$
} else if (!file.isFile()) {
throw new BuildException(MessageFormat.format(Messages.getString("MarkupToDocbookTask.4"), file)); //$NON-NLS-1$
} else if (!file.canRead()) {
throw new BuildException(MessageFormat.format(Messages.getString("MarkupToDocbookTask.5"), file)); //$NON-NLS-1$
}
}
MarkupLanguage markupLanguage = createMarkupLanguage();
for (FileSet fileset : filesets) {
File filesetBaseDir = fileset.getDir(getProject());
DirectoryScanner ds = fileset.getDirectoryScanner(getProject());
String[] files = ds.getIncludedFiles();
if (files != null) {
File baseDir = ds.getBasedir();
for (String file : files) {
File inputFile = new File(baseDir, file);
try {
processFile(markupLanguage, filesetBaseDir, inputFile);
} catch (BuildException e) {
throw e;
} catch (Exception e) {
throw new BuildException(MessageFormat.format(
Messages.getString("MarkupToDocbookTask.6"), inputFile, //$NON-NLS-1$
e.getMessage()), e);
}
}
}
}
if (file != null) {
try {
processFile(markupLanguage, file.getParentFile(), file);
} catch (BuildException e) {
throw e;
} catch (Exception e) {
throw new BuildException(MessageFormat.format(
Messages.getString("MarkupToDocbookTask.7"), file, e.getMessage()), e); //$NON-NLS-1$
}
}
}
private void processFile(MarkupLanguage markupLanguage, final File baseDir, final File source)
throws BuildException {
log(MessageFormat.format(Messages.getString("MarkupToDocbookTask.8"), source), Project.MSG_VERBOSE); //$NON-NLS-1$
String markupContent = null;
String name = source.getName();
if (name.lastIndexOf('.') != -1) {
name = name.substring(0, name.lastIndexOf('.'));
}
File docbookOutputFile = new File(source.getParentFile(), docbookFilenameFormat.replace("$1", name)); //$NON-NLS-1$
if (!docbookOutputFile.exists() || overwrite || docbookOutputFile.lastModified() < source.lastModified()) {
if (markupContent == null) {
markupContent = readFully(source);
}
performValidation(source, markupContent);
Writer writer;
try {
writer = new OutputStreamWriter(new BufferedOutputStream(new FileOutputStream(docbookOutputFile)),
"utf-8"); //$NON-NLS-1$
} catch (Exception e) {
throw new BuildException(MessageFormat.format(
Messages.getString("MarkupToDocbookTask.11"), docbookOutputFile, //$NON-NLS-1$
e.getMessage()), e);
}
try {
DocBookDocumentBuilder builder = new DocBookDocumentBuilder(writer) {
@Override
protected XmlStreamWriter createXmlStreamWriter(Writer out) {
return super.createFormattingXmlStreamWriter(out);
}
};
MarkupParser parser = new MarkupParser();
parser.setMarkupLanguage(markupLanguage);
parser.setBuilder(builder);
builder.setBookTitle(bookTitle == null ? name : bookTitle);
if (doctype != null) {
builder.setDoctype(doctype);
}
parser.parse(markupContent);
} finally {
try {
writer.close();
} catch (Exception e) {
throw new BuildException(MessageFormat.format(
Messages.getString("MarkupToDocbookTask.12"), docbookOutputFile, //$NON-NLS-1$
e.getMessage()), e);
}
}
}
}
/**
* The format of the DocBook output file. Consists of a pattern where the '$1' is replaced with the filename of the
* input file. Default value is <code>$1.xml</code>
*
* @see #setDocbookFilenameFormat(String)
*/
public String getDocbookFilenameFormat() {
return docbookFilenameFormat;
}
/**
* The format of the DocBook output file. Consists of a pattern where the '$1' is replaced with the filename of the
* input file. Default value is <code>$1.xml</code>
*
* @param docbookFilenameFormat
*/
public void setDocbookFilenameFormat(String docbookFilenameFormat) {
this.docbookFilenameFormat = docbookFilenameFormat;
}
/**
* Get the book title.
*
* @return the title, or null if the source filename is to be used as the title.
*/
public String getBookTitle() {
return bookTitle;
}
/**
* The book title.
*
* @param bookTitle
* the title, or null if the source filename is to be used as the title.
*/
public void setBookTitle(String bookTitle) {
this.bookTitle = bookTitle;
}
/**
* Set the XML doctype of the docbook. The doctype should look something like this:
* <code><!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"></code>
*/
public void setDoctype(String doctype) {
this.doctype = doctype;
}
/**
* The XML doctype of the docbook.
*/
public String getDoctype() {
return doctype;
}
public boolean isOverwrite() {
return overwrite;
}
public void setOverwrite(boolean overwrite) {
this.overwrite = overwrite;
}
public File getFile() {
return file;
}
public void setFile(File file) {
this.file = file;
}
}
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