org.jboss.as.server.deployment.AbstractDeploymentUploadHandler Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.server.deployment;
import java.io.IOException;
import java.io.InputStream;
import java.util.EnumSet;
import java.util.Set;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ControllerMessages;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.access.Action;
import org.jboss.as.controller.access.AuthorizationResult;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.repository.ContentRepository;
import org.jboss.as.server.ServerLogger;
import org.jboss.as.server.ServerMessages;
import org.jboss.dmr.ModelNode;
/**
* Base class for operation handlers that can handle the upload of deployment content.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public abstract class AbstractDeploymentUploadHandler implements OperationStepHandler {
private static final Set ACTION_EFFECT_SET =
EnumSet.of(Action.ActionEffect.WRITE_RUNTIME);
private final ContentRepository contentRepository;
protected final AttributeDefinition attribute;
protected AbstractDeploymentUploadHandler(final ContentRepository contentRepository, final AttributeDefinition attribute) {
this.contentRepository = contentRepository;
this.attribute = attribute;
}
/**
* {@inheritDoc}
*/
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
try {
attribute.validateOperation(operation);
// Trigger authz
AuthorizationResult authorizationResult = context.authorize(operation, ACTION_EFFECT_SET);
if (authorizationResult.getDecision() == AuthorizationResult.Decision.DENY) {
throw ControllerMessages.MESSAGES.unauthorized(operation.get(ModelDescriptionConstants.OP).asString(),
PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)),
authorizationResult.getExplanation());
}
InputStream is = getContentInputStream(context, operation);
try {
byte[] hash = contentRepository.addContent(is);
context.getResult().set(hash);
}
finally {
safeClose(is);
}
}
catch (IOException e) {
throw ServerMessages.MESSAGES.caughtIOExceptionUploadingContent(e);
}
context.stepCompleted();
}
protected abstract InputStream getContentInputStream(OperationContext context, ModelNode operation) throws IOException, OperationFailedException;
private static void safeClose(InputStream is) {
if (is != null) {
try {
is.close();
}
catch (Exception e) {
ServerLogger.ROOT_LOGGER.caughtExceptionClosingContentInputStream(e);
}
}
}
}