/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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.
* #L%
*/
package com.adobe.acs.commons.wcm.impl;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import javax.servlet.ServletException;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
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.request.RequestParameter;
import org.apache.sling.api.request.RequestParameterMap;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.commons.json.JSONArray;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.JSONObject;
import org.apache.sling.commons.osgi.PropertiesUtil;
import com.adobe.acs.commons.util.PathInfoUtil;
import com.adobe.granite.xss.XSSAPI;
/**
* Servlets which allows for dynamic selection of RTE configuration. To use in a component, specify the xtype of
*
* <pre>
* slingscriptinclude
* </pre>
*
* and set the script to
*
* <pre>
* rte.CONFIGNAME.FIELDNAME.json.jsp
* </pre>
*
* . This will iterate through nodes under /etc/rteconfig to find a matching site (by regex). Then, look for a node
* named CONFIGNAME and use that configuration.
*/
@SuppressWarnings("serial")
@SlingServlet(extensions = "json", selectors = "rte", resourceTypes = "sling/servlet/default")
public final class RTEConfigurationServlet extends AbstractWidgetConfigurationServlet {
private static final int RTE_HEIGHT = 200;
private static final int RTE_WIDTH = 430;
private static final String DEFAULT_CONFIG_NAME = "default";
@Reference
private XSSAPI xssApi;
private static final String DEFAULT_CONFIG =
"/libs/foundation/components/text/dialog/items/tab1/items/text/rtePlugins";
private static final String DEFAULT_ROOT_PATH = "/etc/rteconfig";
@Property(value = DEFAULT_ROOT_PATH)
private static final String PROP_ROOT_PATH = "root.path";
private static final String EXTERNAL_STYLESHEETS_PROPERTY = "externalStyleSheets";
private String rootPath;
@Override
protected JSONObject createEmptyWidget(String rteName) throws JSONException {
JSONObject object = new JSONObject();
object.put("xtype", "richtext");
object.put("name", "./" + xssApi.encodeForJSString(rteName));
object.put("hideLabel", true);
object.put("jcr:primaryType", "cq:Widget");
return object;
}
private void returnDefault(String rteName, SlingHttpServletRequest request, SlingHttpServletResponse response)
throws IOException, ServletException {
response.setContentType("application/json");
try {
Resource root = request.getResourceResolver().getResource(DEFAULT_CONFIG);
if (root == null) {
writeEmptyWidget(rteName, response);
return;
}
writeConfigResource(root, rteName, true, request, response);
} catch (JSONException e) {
throw new ServletException(e);
}
}
private void writeConfigResource(Resource resource, String rteName, boolean isDefault,
SlingHttpServletRequest request, SlingHttpServletResponse response)
throws IOException, JSONException, ServletException {
JSONObject widget = createEmptyWidget(rteName);
// these two size properties seem to be necessary to get the size correct
// in a component dialog
widget.put("width", RTE_WIDTH);
widget.put("height", RTE_HEIGHT);
RequestParameterMap map = request.getRequestParameterMap();
for (Map.Entry<String, RequestParameter[]> entry : map.entrySet()) {
String key = entry.getKey();
RequestParameter[] params = entry.getValue();
if (params != null) {
if (params.length > 1 || EXTERNAL_STYLESHEETS_PROPERTY.equals(key)) {
JSONArray arr = new JSONArray();
for (int i = 0; i < params.length; i++) {
arr.put(params[i].getString());
}
widget.put(key, arr);
} else if (params.length == 1) {
widget.put(key, params[0].getString());
}
}
}
if (widget.has("fieldLabel")) {
widget.remove("hideLabel");
}
JSONObject config = toJSONObject(resource);
if (config == null) {
config = new JSONObject();
}
if (config.optBoolean("includeDefault")) {
config = underlay(config, resource.getResourceResolver().getResource(DEFAULT_CONFIG));
}
widget.put("rtePlugins", config);
JSONObject parent = new JSONObject();
parent.put("xtype", "dialogfieldset");
parent.put("border", false);
parent.put("padding", 0);
parent.accumulate("items", widget);
parent.write(response.getWriter());
}
@Activate
protected void activate(Map<String, Object> props) {
rootPath = PropertiesUtil.toString(props.get(PROP_ROOT_PATH), DEFAULT_ROOT_PATH);
}
@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
String componentPath = request.getResource().getPath();
String configName = PathInfoUtil.getSelector(request, 1, DEFAULT_CONFIG_NAME);
// the actual property name
String rteName = PathInfoUtil.getSelector(request, 2, "text");
Resource root = request.getResourceResolver().getResource(rootPath);
if (root != null) {
Iterator<Resource> children = root.listChildren();
while (children.hasNext()) {
Resource child = children.next();
if (matches(componentPath, child)) {
boolean isDefault = false;
Resource config = child.getChild(configName);
if (config == null) {
config = child.getChild(DEFAULT_CONFIG_NAME);
isDefault = true;
}
if (config != null) {
try {
writeConfigResource(config, rteName, isDefault, request, response);
} catch (JSONException e) {
throw new ServletException(e);
}
return;
}
}
}
}
returnDefault(rteName, request, response);
}
}