/*
* Copyright 2013 Haulmont
*
* 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.
*/
/**
*
* @author degtyarjov
* @version $Id$
*/
package com.haulmont.yarg.formatters.impl.doc.connector;
import com.haulmont.yarg.exception.OpenOfficeException;
import com.haulmont.yarg.exception.ReportFormattingException;
import com.haulmont.yarg.formatters.impl.doc.OfficeInputStream;
import com.haulmont.yarg.structure.ReportTemplate;
import com.sun.star.beans.PropertyValue;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XDesktop;
import com.sun.star.frame.XDispatchHelper;
import com.sun.star.frame.XStorable;
import com.sun.star.io.IOException;
import com.sun.star.io.XInputStream;
import com.sun.star.io.XOutputStream;
import com.sun.star.lang.XComponent;
import com.sun.star.uno.Exception;
import com.sun.star.uno.XComponentContext;
import com.sun.star.util.XCloseable;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.concurrent.atomic.AtomicLong;
import static com.haulmont.yarg.formatters.impl.doc.UnoConverter.as;
public class OfficeResourceProvider {
private static AtomicLong counter = new AtomicLong();
protected XComponentContext xComponentContext;
protected OfficeIntegration officeIntegration;
public OfficeResourceProvider(XComponentContext xComponentContext, OfficeIntegration officeIntegration) throws Exception {
this.xComponentContext = xComponentContext;
this.officeIntegration = officeIntegration;
}
public XComponentContext getXComponentContext() {
return xComponentContext;
}
public XDispatchHelper getXDispatchHelper() {
try {
return createXDispatchHelper();
} catch (Exception e) {
throw new OpenOfficeException("Unable to create Open office components.", e);
}
}
public XComponentLoader getXComponentLoader() {
try {
return as(XComponentLoader.class, createDesktop());
} catch (Exception e) {
throw new OpenOfficeException("Unable to create Open office components.", e);
}
}
public XComponent loadXComponent(InputStream inputStream) throws com.sun.star.lang.IllegalArgumentException, IOException {
try {
return loadXComponent(IOUtils.toByteArray(inputStream));
} catch (java.io.IOException e) {
throw new ReportFormattingException("An error occurred while reading bytes", e);
}
}
public XComponent loadXComponent(byte[] bytes) throws com.sun.star.lang.IllegalArgumentException, IOException {
XComponentLoader xComponentLoader = getXComponentLoader();
PropertyValue[] props = new PropertyValue[1];
props[0] = new PropertyValue();
props[0].Name = "Hidden";
props[0].Value = Boolean.TRUE;
File tempFile = createTempFile(bytes);
return xComponentLoader.loadComponentFromURL(toURL(tempFile), "_blank", 0, props);
}
public XComponent loadXComponent(XInputStream inputStream) throws com.sun.star.lang.IllegalArgumentException, IOException {
XComponentLoader xComponentLoader = getXComponentLoader();
PropertyValue[] props = new PropertyValue[2];
props[0] = new PropertyValue();
props[1] = new PropertyValue();
props[0].Name = "InputStream";
props[0].Value = inputStream;
props[1].Name = "Hidden";
props[1].Value = true;
return xComponentLoader.loadComponentFromURL("private:stream", "_blank", 0, props);
}
public XInputStream getXInputStream(ReportTemplate reportTemplate) {
try {
return new OfficeInputStream(IOUtils.toByteArray(reportTemplate.getDocumentContent()));
} catch (java.io.IOException e) {
throw new OpenOfficeException("An error occurred while converting template to XInputStream", e);
}
}
public void closeXComponent(XComponent xComponent) {
XCloseable xCloseable = as(XCloseable.class, xComponent);
try {
xCloseable.close(false);
} catch (com.sun.star.util.CloseVetoException e) {
xComponent.dispose();
}
}
public void saveXComponent(XComponent xComponent, XOutputStream xOutputStream, String filterName) throws IOException {
PropertyValue[] props = new PropertyValue[2];
props[0] = new PropertyValue();
props[1] = new PropertyValue();
props[0].Name = "OutputStream";
props[0].Value = xOutputStream;
props[1].Name = "FilterName";
props[1].Value = filterName;
XStorable xStorable = as(XStorable.class, xComponent);
xStorable.storeToURL("private:stream", props);
}
protected XDispatchHelper createXDispatchHelper() throws Exception {
Object o = xComponentContext.getServiceManager().createInstanceWithContext(
"com.sun.star.frame.DispatchHelper", xComponentContext);
return as(XDispatchHelper.class, o);
}
protected XDesktop createDesktop() throws com.sun.star.uno.Exception {
Object o = xComponentContext.getServiceManager().createInstanceWithContext(
"com.sun.star.frame.Desktop", xComponentContext);
return as(XDesktop.class, o);
}
protected File createTempFile(byte[] bytes) {
try {
File tempFile = null;
String tempFileName = String.format("document%d", counter.incrementAndGet());
String tempFileExt = ".tmp";
if (StringUtils.isNotBlank(officeIntegration.getTemporaryDirPath())) {
Path tempDir = Paths.get(officeIntegration.getTemporaryDirPath());
tempDir.toFile().mkdirs();
tempFile = Files.createTempFile(
tempDir,
tempFileName,
tempFileExt)
.toFile();
} else {
tempFile = File.createTempFile(tempFileName, tempFileExt);
}
tempFile.deleteOnExit();
FileUtils.writeByteArrayToFile(tempFile, bytes);
return tempFile;
} catch (java.io.IOException e) {
throw new ReportFormattingException("Could not create temporary file for pdf conversion", e);
}
}
protected String toURL(File file) {
return "file://" + file.toURI().getRawPath();
}
}