Author: apetrelli
Date: Mon Feb 2 13:25:58 2009
New Revision: 739989
URL: http://svn.apache.org/viewvc?rev=739989&view=rev
Log:
TILESSB-4
Created ImportAttributeModel.
Added:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
(with props)
Modified:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/context/FreeMarkerUtil.java
Modified:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/context/FreeMarkerUtil.java
URL:
http://svn.apache.org/viewvc/tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/context/FreeMarkerUtil.java?rev=739989&r1=739988&r2=739989&view=diff
==============================================================================
---
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/context/FreeMarkerUtil.java
(original)
+++
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/context/FreeMarkerUtil.java
Mon Feb 2 13:25:58 2009
@@ -7,6 +7,8 @@
import org.apache.tiles.servlet.context.ServletUtil;
import freemarker.core.Environment;
+import freemarker.ext.beans.BeanModel;
+import freemarker.ext.beans.BeansWrapper;
import freemarker.ext.servlet.FreemarkerServlet;
import freemarker.ext.servlet.HttpRequestHashModel;
import freemarker.ext.servlet.ServletContextHashModel;
@@ -104,7 +106,7 @@
e);
}
}
-
+
public static String getAsString(TemplateModel model) {
try {
return (String) DeepUnwrap.unwrap(model);
@@ -112,7 +114,7 @@
throw new FreeMarkerTilesException("Cannot unwrap a model", e);
}
}
-
+
public static boolean getAsBoolean(TemplateModel model, boolean
defaultValue) {
try {
Boolean retValue = (Boolean) DeepUnwrap.unwrap(model);
@@ -121,7 +123,7 @@
throw new FreeMarkerTilesException("Cannot unwrap a model", e);
}
}
-
+
public static Object getAsObject(TemplateModel model) {
try {
return DeepUnwrap.unwrap(model);
@@ -129,4 +131,24 @@
throw new FreeMarkerTilesException("Cannot unwrap a model", e);
}
}
+
+ public static void setAttribute(Environment env, String name, Object obj,
+ String scope) {
+ if (scope == null) {
+ scope = "page";
+ }
+ if ("page".equals(scope)) {
+ TemplateModel model = new BeanModel(obj, BeansWrapper
+ .getDefaultInstance());
+ env.setVariable(name, model);
+ } else if ("request".equals(scope)) {
+ getRequestHashModel(env).getRequest().setAttribute(name, obj);
+ } else if ("session".equals(scope)) {
+ getRequestHashModel(env).getRequest().getSession().setAttribute(
+ name, obj);
+ } else if ("application".equals("scope")) {
+ getServletContextHashModel(env).getServlet().getServletContext()
+ .setAttribute(name, obj);
+ }
+ }
}
Added:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
URL:
http://svn.apache.org/viewvc/tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java?rev=739989&view=auto
==============================================================================
---
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
(added)
+++
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
Mon Feb 2 13:25:58 2009
@@ -0,0 +1,128 @@
+/*
+ * $Id$
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+package org.apache.tiles.freemarker.template;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.tiles.Attribute;
+import org.apache.tiles.TilesException;
+import org.apache.tiles.freemarker.FreeMarkerTilesException;
+import org.apache.tiles.freemarker.context.FreeMarkerUtil;
+
+import freemarker.core.Environment;
+import freemarker.template.TemplateDirectiveBody;
+import freemarker.template.TemplateModel;
+
+/**
+ * Import attribute(s) into the specified scope. If not explicitly named, all
+ * attributes are imported. If the scope is not specified, page scope is
+ * assumed.
+ *
+ * @since Tiles 1.0
+ * @version $Rev$ $Date$
+ */
+public class ImportAttributeModel extends AttributeModel {
+
+ /**
+ * The logging object.
+ */
+ private final Log log = LogFactory.getLog(ImportAttributeModel.class);
+
+ /**
+ * Expose the requested property from attribute context.
+ *
+ * @throws TilesJspException On errors processing tag.
+ */
+ public void evaluate(Environment env, Map<String, TemplateModel> params,
+ TemplateModel[] loopVars, TemplateDirectiveBody body)
+ throws IOException {
+ if (attributeValue != null) {
+ String name = FreeMarkerUtil.getAsString(params.get("name"));
+ String toName = FreeMarkerUtil.getAsString(params.get("toName"));
+ if (toName == null) {
+ toName = name;
+ }
+ String scope = FreeMarkerUtil.getAsString(params.get("scope"));
+ FreeMarkerUtil.setAttribute(env, name, attributeValue, scope);
+ } else {
+ importAttributes(env, params, attributeContext
+ .getCascadedAttributeNames());
+ importAttributes(env, params, attributeContext
+ .getLocalAttributeNames());
+ }
+ }
+
+ /**
+ * Imports an attribute set.
+ *
+ * @param names The names of the attributes to be imported.
+ * @throws TilesJspException If something goes wrong during the import.
+ */
+ private void importAttributes(Environment env,
+ Map<String, TemplateModel> params, Collection<String> names) {
+ if (names == null || names.isEmpty()) {
+ return;
+ }
+
+ boolean ignore = FreeMarkerUtil.getAsBoolean(params.get("ignore"),
+ false);
+ String scope = FreeMarkerUtil.getAsString(params.get("scope"));
+ for (String name : names) {
+ if (name == null && !ignore) {
+ throw new FreeMarkerTilesException(
+ "Error importing attributes. "
+ + "Attribute with null key found.");
+ } else if (name == null) {
+ continue;
+ }
+
+ Attribute attr = attributeContext.getAttribute(name);
+
+ if (attr != null) {
+ try {
+ Object attributeValue = container.evaluate(attr, env);
+ if (attributeValue == null) {
+ throw new FreeMarkerTilesException(
+ "Error importing attributes. " + "Attribute '"
+ + name + "' has a null value ");
+ }
+ FreeMarkerUtil.setAttribute(env, name, attributeValue,
+ scope);
+ } catch (TilesException e) {
+ if (!ignore) {
+ throw e;
+ } else if (log.isDebugEnabled()) {
+ log.debug("Ignoring Tiles Exception", e);
+ }
+ }
+ } else if (!ignore) {
+ throw new FreeMarkerTilesException(
+ "Error importing attributes. " + "Attribute '" + name
+ + "' is null");
+ }
+
+ }
+ }
+}
Propchange:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
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svn:eol-style = native
Propchange:
tiles/sandbox/trunk/tiles-freemarker/src/main/java/org/apache/tiles/freemarker/template/ImportAttributeModel.java
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svn:keywords = Date Author Id Revision HeadURL
