/jboss-as-7.1.1.Final/host-controller/src/main/java/org/jboss/as/domain/controller/operations/deployment/AbstractDeploymentHandler.java

  1/*
  2 * JBoss, Home of Professional Open Source.
  3 * Copyright (c) 2011, Red Hat, Inc., and individual contributors
  4 * as indicated by the @author tags. See the copyright.txt file in the
  5 * distribution for a full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22package org.jboss.as.domain.controller.operations.deployment;
 23
 24import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.BYTES;
 25import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.INPUT_STREAM_INDEX;
 26import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.URL;
 27import static org.jboss.as.domain.controller.DomainControllerMessages.MESSAGES;
 28
 29import java.io.ByteArrayInputStream;
 30import java.io.IOException;
 31import java.io.InputStream;
 32import java.net.MalformedURLException;
 33import java.net.URL;
 34import java.util.Arrays;
 35import java.util.List;
 36
 37import org.jboss.as.controller.OperationContext;
 38import org.jboss.as.controller.OperationFailedException;
 39import org.jboss.dmr.ModelNode;
 40
 41/**
 42 * @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
 43 */
 44abstract class AbstractDeploymentHandler {
 45
 46    protected static final List<String> CONTENT_ADDITION_PARAMETERS = Arrays.asList(INPUT_STREAM_INDEX, BYTES, URL);
 47
 48    protected static String asString(final ModelNode node, final String name) {
 49        return node.has(name) ? node.require(name).asString() : null;
 50    }
 51
 52    protected static OperationFailedException createFailureException(String format, Object... params) {
 53        return createFailureException(String.format(format, params));
 54    }
 55
 56    protected static OperationFailedException createFailureException(Throwable cause, String format, Object... params) {
 57        return createFailureException(cause, String.format(format, params));
 58    }
 59
 60    protected static OperationFailedException createFailureException(String msg) {
 61        return new OperationFailedException(new ModelNode().set(msg));
 62    }
 63
 64    protected static OperationFailedException createFailureException(Throwable cause, String msg) {
 65        return new OperationFailedException(cause, new ModelNode().set(msg));
 66    }
 67
 68    protected static InputStream getInputStream(OperationContext context, ModelNode operation) throws OperationFailedException {
 69        InputStream in = null;
 70        String message = "";
 71        if (operation.hasDefined(INPUT_STREAM_INDEX)) {
 72            int streamIndex = operation.get(INPUT_STREAM_INDEX).asInt();
 73            message = MESSAGES.nullStream(streamIndex);
 74            in = context.getAttachmentStream(streamIndex);
 75        } else if (operation.hasDefined(BYTES)) {
 76            message = MESSAGES.invalidByteStream();
 77            in = new ByteArrayInputStream(operation.get(BYTES).asBytes());
 78        } else if (operation.hasDefined(URL)) {
 79            final String urlSpec = operation.get(URL).asString();
 80            try {
 81                message = MESSAGES.invalidUrlStream();
 82                in = new URL(urlSpec).openStream();
 83            } catch (MalformedURLException e) {
 84                throw createFailureException(message);
 85            } catch (IOException e) {
 86                throw createFailureException(message);
 87            }
 88        }
 89        if (in == null) {
 90            throw createFailureException(message);
 91        }
 92        return in;
 93    }
 94
 95    /**
 96     * Checks to see if a valid deployment parameter has been defined.
 97     *
 98     * @param operation the operation to check.
 99     *
100     * @return {@code true} of the parameter is valid, otherwise {@code false}.
101     */
102    protected static boolean hasValidContentAdditionParameterDefined(ModelNode operation) {
103        for (String s : CONTENT_ADDITION_PARAMETERS) {
104            if (operation.hasDefined(s)) {
105                return true;
106            }
107        }
108        return false;
109    }
110
111    protected static void validateOnePieceOfContent(final ModelNode content) throws OperationFailedException {
112        // TODO: implement overlays
113        if (content.asList().size() != 1)
114            throw createFailureException(MESSAGES.as7431());
115    }
116}