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

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Here is the source code for com.cognifide.cq.cqsm.core.servlets.ScriptValidationServlet.java

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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.ScriptManager;
import com.cognifide.cq.cqsm.core.Cqsm;
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.servlets.SlingAllMethodsServlet;
import org.osgi.framework.Constants;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

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

@SlingServlet(paths = { "/bin/cqsm/validate" })
@Service
@Properties({ @Property(name = Constants.SERVICE_DESCRIPTION, value = "CQSM Validation Servlet"),
        @Property(name = Constants.SERVICE_VENDOR, value = Cqsm.VENDOR_NAME) })
public class ScriptValidationServlet extends SlingAllMethodsServlet {

    @Reference
    private ScriptManager scriptManager;

    @Override
    protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
            throws ServletException, IOException {
        final String content = request.getParameter("content");
        if (StringUtils.isEmpty(content)) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            ServletUtils.writeMessage(response, "error", "Script content is required");
            return;
        }

        try {
            final Progress progress = scriptManager.evaluate(content, Mode.VALIDATION,
                    request.getResourceResolver());
            if (progress.isSuccess()) {
                ServletUtils.writeMessage(response, "success", "Script passes validation");
            } else {
                final String message = progress.getLastError().getLastMessageText();
                final Map<String, Object> context = new HashMap<>();

                if (message != null) {
                    context.put("error", message);
                }

                ServletUtils.writeMessage(response, "error", "Script does not pass validation", context);
            }
        } catch (RepositoryException e) {
            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            ServletUtils.writeMessage(response, "error", String
                    .format("Script' cannot be validated because of " + "repository error: %s", e.getMessage()));
        }
    }
}