first commit

hrmsEjb/org/apache/struts/action/DynaActionFormClass.java

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+package org.apache.struts.action;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import org.apache.commons.beanutils.DynaBean;
+import org.apache.commons.beanutils.DynaClass;
+import org.apache.commons.beanutils.DynaProperty;
+import org.apache.struts.config.FormBeanConfig;
+import org.apache.struts.config.FormPropertyConfig;
+import org.apache.struts.config.ModuleConfig;
+import org.apache.struts.util.RequestUtils;
+
+public class DynaActionFormClass implements DynaClass, Serializable {
+  protected transient Class beanClass;
+  
+  protected FormBeanConfig config;
+  
+  protected String name;
+  
+  protected DynaProperty[] properties;
+  
+  protected HashMap propertiesMap;
+  
+  private DynaActionFormClass(FormBeanConfig config) {
+    this.beanClass = null;
+    this.config = null;
+    this.name = null;
+    this.properties = null;
+    this.propertiesMap = new HashMap();
+    introspect(config);
+  }
+  
+  protected static transient HashMap dynaClasses = new HashMap();
+  
+  protected static String lock = "";
+  
+  public String getName() {
+    return this.name;
+  }
+  
+  public DynaProperty getDynaProperty(String name) {
+    if (name == null)
+      throw new IllegalArgumentException("No property name specified"); 
+    return (DynaProperty)this.propertiesMap.get(name);
+  }
+  
+  public DynaProperty[] getDynaProperties() {
+    return this.properties;
+  }
+  
+  public DynaBean newInstance() throws IllegalAccessException, InstantiationException {
+    DynaActionForm dynaBean = getBeanClass().newInstance();
+    dynaBean.setDynaActionFormClass(this);
+    FormPropertyConfig[] props = this.config.findFormPropertyConfigs();
+    for (int i = 0; i < props.length; i++)
+      dynaBean.set(props[i].getName(), props[i].initial()); 
+    return dynaBean;
+  }
+  
+  public String toString() {
+    StringBuffer sb = new StringBuffer("DynaActionFormBean[name=");
+    sb.append(this.name);
+    DynaProperty[] props = getDynaProperties();
+    if (props == null)
+      props = new DynaProperty[0]; 
+    for (int i = 0; i < props.length; i++) {
+      sb.append(',');
+      sb.append(props[i].getName());
+      sb.append('/');
+      sb.append(props[i].getType());
+    } 
+    sb.append("]");
+    return sb.toString();
+  }
+  
+  public static void clear() {
+    synchronized (lock) {
+      if (dynaClasses == null)
+        dynaClasses = new HashMap(); 
+      dynaClasses.clear();
+    } 
+  }
+  
+  public static DynaActionFormClass createDynaActionFormClass(FormBeanConfig config) {
+    synchronized (lock) {
+      if (dynaClasses == null)
+        dynaClasses = new HashMap(); 
+      ModuleConfig moduleConfig = config.getModuleConfig();
+      String key = config.getName();
+      if (moduleConfig != null)
+        key = key + moduleConfig.getPrefix(); 
+      DynaActionFormClass dynaClass = (DynaActionFormClass)dynaClasses.get(key);
+      if (dynaClass == null) {
+        dynaClass = new DynaActionFormClass(config);
+        dynaClasses.put(key, dynaClass);
+      } 
+      return dynaClass;
+    } 
+  }
+  
+  protected Class getBeanClass() {
+    if (this.beanClass == null)
+      introspect(this.config); 
+    return this.beanClass;
+  }
+  
+  protected void introspect(FormBeanConfig config) {
+    this.config = config;
+    try {
+      this.beanClass = RequestUtils.applicationClass(config.getType());
+    } catch (Throwable t) {
+      throw new IllegalArgumentException("Cannot instantiate ActionFormBean class '" + config.getType() + "': " + t);
+    } 
+    if (!DynaActionForm.class.isAssignableFrom(this.beanClass))
+      throw new IllegalArgumentException("Class '" + config.getType() + "' is not a subclass of " + "'org.apache.struts.action.DynaActionForm'"); 
+    this.name = config.getName();
+    FormPropertyConfig[] descriptors = config.findFormPropertyConfigs();
+    if (descriptors == null)
+      descriptors = new FormPropertyConfig[0]; 
+    this.properties = new DynaProperty[descriptors.length];
+    for (int i = 0; i < descriptors.length; i++) {
+      this.properties[i] = new DynaProperty(descriptors[i].getName(), descriptors[i].getTypeClass());
+      this.propertiesMap.put(this.properties[i].getName(), this.properties[i]);
+    } 
+  }
+}