mvc binding lifecycle; packaged with model map for now since it depends on it

org.springframework.context/src/main/java/org/springframework/ui/MvcBindingLifecycle.java

+/*
+ * Copyright 2004-2009 the original author or authors.
+ *
+ * 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.
+ */
+package org.springframework.ui;
+
+import java.util.Map;
+
+import org.springframework.model.ui.PresentationModel;
+import org.springframework.model.ui.PresentationModelFactory;
+import org.springframework.model.ui.config.BindingLifecycle;
+import org.springframework.model.ui.support.PresentationModelBinder;
+
+/**
+ * Spring MVC implementation of the Binding Lifecycle.
+ * @author Keith Donald
+ */
+public class MvcBindingLifecycle implements BindingLifecycle<Object> {
+
+	private Class<?> modelType;
+
+	private PresentationModelFactory presentationModelFactory;
+
+	private ModelMap modelMap;
+
+	private Map<String, ? extends Object> fieldValues;
+
+	private Object model;
+
+	public MvcBindingLifecycle(Class<?> modelType, PresentationModelFactory presentationModelFactory,
+			ModelMap modelMap, Map<String, ? extends Object> fieldValues) {
+		this.presentationModelFactory = presentationModelFactory;
+		this.modelMap = modelMap;
+		this.fieldValues = fieldValues;
+	}
+
+	public void setModel(Object model) {
+		this.model = model;
+	}
+
+	public void execute() {
+		boolean bindEagerCommit = false;
+		if (model == null) {
+			initModel();
+			bindEagerCommit = true;
+		}
+		modelMap.addAttribute(model);
+		PresentationModel presentationModel = presentationModelFactory.getPresentationModel(model);
+		PresentationModelBinder binder = new PresentationModelBinder();
+		binder.setCommitDirtyValue(bindEagerCommit);
+		binder.bind(fieldValues, presentationModel);
+		presentationModel.validate();
+		if (!presentationModel.hasErrors() && !bindEagerCommit) {
+			presentationModel.commit();
+		}
+	}
+
+	public boolean hasErrors() {
+		return false;
+	}
+
+	public Object getModel() {
+		return model;
+	}
+
+	private void initModel() {
+		try {
+			model = modelType.newInstance();
+		} catch (InstantiationException e) {
+			throw new IllegalStateException("Model of type [" + modelType.getName()
+					+ "] does not have a default constructor");
+		} catch (IllegalAccessException e) {
+			throw new IllegalStateException("Model of type [" + modelType.getName()
+					+ "] does not have a public default constructor");
+		}
+	}
+}

org.springframework.web.servlet/.settings/org.eclipse.jdt.ui.prefs

-#Thu Dec 18 06:36:42 PST 2008
+#Mon Jul 27 18:14:39 EDT 2009
 eclipse.preferences.version=1
-formatter_profile=org.eclipse.jdt.ui.default.eclipse_profile
+formatter_profile=_Spring
 formatter_settings_version=11