com.cognifide.cq.cqsm.core.servlets.ScriptRunServlet.java Source code

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/*-
 * ========================LICENSE_START=================================
 * AEM Permission Management
 * %%
 * Copyright (C) 2013 Cognifide Limited
 * %%
 * 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.
 * =========================LICENSE_END==================================
 */
package com.cognifide.cq.cqsm.core.servlets;

import com.cognifide.cq.cqsm.api.executors.Mode;
import com.cognifide.cq.cqsm.api.logger.Progress;
import com.cognifide.cq.cqsm.api.scripts.Script;
import com.cognifide.cq.cqsm.api.scripts.ScriptFinder;
import com.cognifide.cq.cqsm.api.scripts.ScriptManager;
import com.cognifide.cq.cqsm.core.Cqsm;
import com.cognifide.cq.cqsm.core.progress.ProgressHelper;
import com.cognifide.cq.cqsm.core.utils.ServletUtils;

import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.felix.scr.annotations.sling.SlingServlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.osgi.framework.Constants;

import java.io.IOException;

import javax.jcr.RepositoryException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;

@SlingServlet(paths = { "/bin/cqsm/run" }, methods = { "POST" })
@Service
@Properties({ @Property(name = Constants.SERVICE_DESCRIPTION, value = "CQSM Run Servlet"),
        @Property(name = Constants.SERVICE_VENDOR, value = Cqsm.VENDOR_NAME) })
public class ScriptRunServlet extends SlingAllMethodsServlet {

    @Reference
    private ScriptManager scriptManager;

    @Reference
    private ScriptFinder scriptFinder;

    @Override
    protected void doPost(final SlingHttpServletRequest request, final SlingHttpServletResponse response)
            throws ServletException, IOException {
        ResourceResolver resolver = request.getResourceResolver();
        final String searchPath = request.getParameter("file");
        final String modeName = request.getParameter("mode");

        if (StringUtils.isEmpty(searchPath)) {
            ServletUtils.writeMessage(response, "error", "Please set the script file name: -d \"file=[name]\"");
            return;
        }

        if (StringUtils.isEmpty(modeName)) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            ServletUtils.writeMessage(response, "error", "Running mode not specified.");
            return;
        }

        final Script script = scriptFinder.find(searchPath, resolver);
        if (script == null) {
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            ServletUtils.writeMessage(response, "error", String.format("Script not found: %s", searchPath));
            return;
        }

        try {
            final Mode mode = Mode.fromString(modeName, Mode.DRY_RUN);
            final Progress progressLogger = scriptManager.process(script, mode, resolver);

            if (progressLogger.isSuccess()) {
                ServletUtils.writeJson(response, ProgressHelper.toJson(progressLogger.getEntries()));
            } else {
                response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                ServletUtils.writeJson(response, ProgressHelper.toJson(progressLogger.getLastError()));
            }

        } catch (RepositoryException e) {
            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            ServletUtils.writeMessage(response, "error", String
                    .format("Script cannot be executed because of" + " repository error: %s", e.getMessage()));
        }
    }
}