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/*
* Copyright 2007 Sascha Weinreuter
*
* Licensed 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.
*/
package org.intellij.plugins.relaxNG.convert;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.ArrayUtil;
import com.thaiopensource.relaxng.edit.SchemaCollection;
import com.thaiopensource.relaxng.input.InputFailedException;
import com.thaiopensource.relaxng.input.InputFormat;
import com.thaiopensource.relaxng.input.MultiInputFormat;
import com.thaiopensource.relaxng.input.dtd.DtdInputFormat;
import com.thaiopensource.relaxng.input.parse.compact.CompactParseInputFormat;
import com.thaiopensource.relaxng.input.parse.sax.SAXParseInputFormat;
import com.thaiopensource.relaxng.input.xml.XmlInputFormat;
import com.thaiopensource.relaxng.output.LocalOutputDirectory;
import com.thaiopensource.relaxng.output.OutputDirectory;
import com.thaiopensource.relaxng.output.OutputFailedException;
import com.thaiopensource.relaxng.output.OutputFormat;
import com.thaiopensource.relaxng.output.dtd.DtdOutputFormat;
import com.thaiopensource.relaxng.output.rnc.RncOutputFormat;
import com.thaiopensource.relaxng.output.rng.RngOutputFormat;
import com.thaiopensource.relaxng.output.xsd.XsdOutputFormat;
import com.thaiopensource.relaxng.translate.util.InvalidParamsException;
import com.thaiopensource.util.UriOrFile;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.nio.charset.Charset;
import java.util.ArrayList;
public class IdeaDriver {
private static final int DEFAULT_LINE_LENGTH = 72;
private static final int DEFAULT_INDENT = 2;
private final ConvertSchemaSettings settings;
private final Project myProject;
public IdeaDriver(ConvertSchemaSettings settings, Project project) {
this.settings = settings;
myProject = project;
}
@SuppressWarnings({ "ThrowableInstanceNeverThrown" })
public void convert(SchemaType inputType, IdeaErrorHandler errorHandler, VirtualFile... inputFiles) {
if (inputFiles.length == 0) {
throw new IllegalArgumentException();
}
try {
final InputFormat inFormat = getInputFormat(inputType);
if (inputFiles.length > 1) {
if (!(inFormat instanceof MultiInputFormat)) {
throw new IllegalArgumentException();
}
}
final VirtualFile inputFile = inputFiles[0];
final SchemaType type = settings.getOutputType();
final String outputType = type.toString().toLowerCase();
final ArrayList<String> inputParams = new ArrayList<String>();
if (inputType != SchemaType.DTD) {
final Charset charset = inputFile.getCharset();
if (charset != null) {
inputParams.add("encoding=" + charset.name());
}
}
final ArrayList<String> outputParams = new ArrayList<String>();
settings.addAdvancedSettings(inputParams, outputParams);
// System.out.println("INPUT: " + inputParams);
// System.out.println("OUTPUT: " + outputParams);
final SchemaCollection sc;
final String input = inputFile.getPath();
final String uri = UriOrFile.toUri(input);
try {
if (inFormat instanceof MultiInputFormat) {
final MultiInputFormat format = (MultiInputFormat)inFormat;
final String[] uris = new String[inputFiles.length];
for (int i = 0; i < inputFiles.length; i++) {
uris[i] = UriOrFile.toUri(inputFiles[i].getPath());
}
sc = format.load(uris, ArrayUtil.toStringArray(inputParams), outputType, errorHandler);
} else {
sc = inFormat.load(uri, ArrayUtil.toStringArray(inputParams), outputType, errorHandler);
}
} catch (IOException e) {
errorHandler.fatalError(new SAXParseException(e.getMessage(), null, uri, -1, -1, e));
return;
}
final File destination = new File(settings.getOutputDestination());
final File outputFile;
if (destination.isDirectory()) {
final String name = new File(input).getName();
final int ext = name.lastIndexOf('.');
outputFile = new File(destination, (ext > 0 ? name.substring(0, ext) : name) + "." + outputType);
} else {
outputFile = destination;
}
try {
final int indent = settings.getIndent();
final int length = settings.getLineLength();
final OutputDirectory od = new LocalOutputDirectory(sc.getMainUri(),
outputFile,
"." + outputType,
settings.getOutputEncoding(),
length > 0 ? length : DEFAULT_LINE_LENGTH,
indent > 0 ? indent : DEFAULT_INDENT)
{
public Stream open(String sourceUri, String encoding) throws IOException {
final String s = super.reference(null, sourceUri);
final File file = new File(outputFile.getParentFile(), s);
if (file.exists()) {
final String msg = "The file '" + file.getAbsolutePath() + "' already exists. Overwrite it?";
final int choice = Messages.showYesNoDialog(myProject, msg, "Output File Exists", Messages.getWarningIcon());
if (choice == Messages.YES) {
return super.open(sourceUri, encoding);
} else if (choice == 1) {
throw new CanceledException();
}
}
return super.open(sourceUri, encoding);
}
};
final OutputFormat of = getOutputFormat(settings.getOutputType());
of.output(sc, od, ArrayUtil.toStringArray(outputParams), inputType.toString().toLowerCase(), errorHandler);
} catch (IOException e) {
errorHandler.fatalError(new SAXParseException(e.getMessage(), null, UriOrFile.fileToUri(outputFile), -1, -1, e));
}
} catch (CanceledException e) {
// user abort
} catch (SAXParseException e) {
errorHandler.error(e);
} catch (MalformedURLException e) {
Logger.getInstance(getClass().getName()).error(e);
} catch (InputFailedException e) {
// handled by ErrorHandler
} catch (InvalidParamsException e) {
// handled by ErrorHandler
} catch (OutputFailedException e) {
// handled by ErrorHandler
} catch (SAXException e) {
// cannot happen or is already handled
}
}
private OutputFormat getOutputFormat(SchemaType outputType) {
switch (outputType) {
case DTD:
return new DtdOutputFormat();
case RNC:
return new RncOutputFormat();
case RNG:
return new RngOutputFormat();
case XSD:
return new XsdOutputFormat();
default:
assert false : "Unsupported output type: " + outputType;
return null;
}
}
private InputFormat getInputFormat(SchemaType type) {
switch (type) {
case DTD:
return new DtdInputFormat();
case RNC:
return new CompactParseInputFormat();
case RNG:
return new SAXParseInputFormat();
case XML:
return new XmlInputFormat();
default:
assert false : "Unsupported input type: " + type;
return null;
}
}
private static class CanceledException extends RuntimeException {
}
}
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