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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.branch.management.exchange.resource;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.Collection;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
import org.eclipse.osee.framework.core.exception.OseeStateException;
import org.eclipse.osee.framework.core.server.OseeServerProperties;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.resource.management.IResource;
import org.eclipse.osee.framework.resource.management.IResourceLocator;
import org.eclipse.osee.framework.resource.management.IResourceManager;
import org.eclipse.osee.framework.resource.management.IResourceProvider;
import org.eclipse.osee.framework.resource.management.Options;
import org.eclipse.osee.framework.resource.management.exception.MalformedLocatorException;
import org.eclipse.osee.framework.resource.management.util.OptionsProcessor;
/**
* @author Roberto E. Escobar
*/
public class ExchangeProvider implements IResourceProvider {
private static final String BASE_PATH = OseeServerProperties.getOseeApplicationServerData();
private static final String RESOLVED_PATH =
BASE_PATH + File.separator + ExchangeLocatorProvider.PROTOCOL + File.separator;
public ExchangeProvider() {
}
public static String getExchangeFilePath() {
return RESOLVED_PATH;
}
private URI resolve(IResourceLocator locator) throws OseeCoreException {
URI toReturn = null;
StringBuilder builder = new StringBuilder();
String rawPath = locator.getRawPath();
if (!rawPath.startsWith("file:/")) {
builder.append(RESOLVED_PATH);
builder.append(rawPath);
toReturn = new File(builder.toString()).toURI();
} else {
rawPath = rawPath.replaceAll(" ", "%20");
try {
toReturn = new URI(rawPath);
} catch (URISyntaxException ex) {
throw new MalformedLocatorException(rawPath, ex);
}
}
return toReturn;
}
@Override
public IResource acquire(IResourceLocator locator, Options options) throws OseeCoreException {
IResource toReturn = null;
OptionsProcessor optionsProcessor = new OptionsProcessor(resolve(locator), locator, null, options);
toReturn = optionsProcessor.getResourceToServer();
return toReturn;
}
@Override
public int delete(IResourceLocator locator) throws OseeCoreException {
int toReturn = IResourceManager.FAIL;
File file = new File(resolve(locator));
if (file.exists() != true) {
toReturn = IResourceManager.RESOURCE_NOT_FOUND;
} else if (file.exists() == true && file.canWrite() == true) {
boolean result = Lib.deleteFileAndEmptyParents(BASE_PATH, file);
if (result) {
toReturn = IResourceManager.OK;
}
}
return toReturn;
}
@Override
public boolean isValid(IResourceLocator locator) {
return locator != null && getSupportedProtocols().contains(locator.getProtocol());
}
@Override
public IResourceLocator save(IResourceLocator locator, IResource resource, Options options) throws OseeCoreException {
IResourceLocator toReturn = null;
OptionsProcessor optionsProcessor = new OptionsProcessor(resolve(locator), locator, resource, options);
OutputStream outputStream = null;
InputStream inputStream = null;
try {
File storageFile = optionsProcessor.getStorageFile();
// Remove all other files from this folder
File parent = storageFile.getParentFile();
if (parent != null) {
Lib.emptyDirectory(parent);
}
IResource resourceToStore = optionsProcessor.getResourceToStore();
outputStream = new FileOutputStream(storageFile);
inputStream = resourceToStore.getContent();
Lib.inputStreamToOutputStream(inputStream, outputStream);
toReturn = optionsProcessor.getActualResouceLocator();
} catch (IOException ex) {
OseeExceptions.wrapAndThrow(ex);
} finally {
Lib.close(outputStream);
Lib.close(inputStream);
}
if (toReturn == null) {
throw new OseeStateException(String.format("We failed to save resource %s.", locator.getLocation()));
}
return toReturn;
}
@Override
public boolean exists(IResourceLocator locator) throws OseeCoreException {
URI uri = resolve(locator);
File testFile = new File(uri);
return testFile.exists();
}
@Override
public Collection<String> getSupportedProtocols() {
return Arrays.asList(ExchangeLocatorProvider.PROTOCOL);
}
}
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