first commit

hrmsEjb/net/sf/jasperreports/engine/JRPropertiesMap.java

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+package net.sf.jasperreports.engine;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+
+public class JRPropertiesMap implements Serializable, Cloneable {
+  private static final long serialVersionUID = 10200L;
+  
+  private Map propertiesMap;
+  
+  private List propertiesList;
+  
+  private JRPropertiesMap base;
+  
+  public JRPropertiesMap() {}
+  
+  public JRPropertiesMap(JRPropertiesMap propertiesMap) {
+    this();
+    this.base = propertiesMap.base;
+    String[] propertyNames = propertiesMap.getPropertyNames();
+    if (propertyNames != null && propertyNames.length > 0)
+      for (int i = 0; i < propertyNames.length; i++)
+        setProperty(propertyNames[i], propertiesMap.getProperty(propertyNames[i]));  
+  }
+  
+  protected synchronized void ensureInit() {
+    if (this.propertiesMap == null)
+      init(); 
+  }
+  
+  private void init() {
+    this.propertiesMap = new HashMap();
+    this.propertiesList = new ArrayList();
+  }
+  
+  public String[] getPropertyNames() {
+    String[] names;
+    if (hasOwnProperties()) {
+      if (this.base == null) {
+        names = (String[])this.propertiesList.toArray((Object[])new String[this.propertiesList.size()]);
+      } else {
+        LinkedHashSet namesSet = new LinkedHashSet();
+        collectPropertyNames(namesSet);
+        names = (String[])namesSet.toArray((Object[])new String[namesSet.size()]);
+      } 
+    } else if (this.base != null) {
+      names = this.base.getPropertyNames();
+    } else {
+      names = new String[0];
+    } 
+    return names;
+  }
+  
+  protected void collectPropertyNames(Collection names) {
+    if (this.base != null)
+      this.base.collectPropertyNames(names); 
+    if (this.propertiesList != null)
+      names.addAll(this.propertiesList); 
+  }
+  
+  public String getProperty(String propName) {
+    String val;
+    if (hasOwnProperty(propName)) {
+      val = getOwnProperty(propName);
+    } else if (this.base != null) {
+      val = this.base.getProperty(propName);
+    } else {
+      val = null;
+    } 
+    return val;
+  }
+  
+  public boolean containsProperty(String propName) {
+    return (hasOwnProperty(propName) || (this.base != null && this.base.containsProperty(propName)));
+  }
+  
+  protected boolean hasOwnProperty(String propName) {
+    return (this.propertiesMap != null && this.propertiesMap.containsKey(propName));
+  }
+  
+  protected String getOwnProperty(String propName) {
+    return (this.propertiesMap != null) ? (String)this.propertiesMap.get(propName) : null;
+  }
+  
+  public void setProperty(String propName, String value) {
+    ensureInit();
+    if (!hasOwnProperty(propName))
+      this.propertiesList.add(propName); 
+    this.propertiesMap.put(propName, value);
+  }
+  
+  public void removeProperty(String propName) {
+    if (hasOwnProperty(propName)) {
+      this.propertiesList.remove(propName);
+      this.propertiesMap.remove(propName);
+    } 
+  }
+  
+  public JRPropertiesMap cloneProperties() {
+    return new JRPropertiesMap(this);
+  }
+  
+  public Object clone() {
+    return cloneProperties();
+  }
+  
+  public String toString() {
+    return (this.propertiesMap == null) ? "" : this.propertiesMap.toString();
+  }
+  
+  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
+    in.defaultReadObject();
+    if (this.propertiesList == null && this.propertiesMap != null) {
+      this.propertiesList = new ArrayList(this.propertiesMap.keySet());
+      this.propertiesMap = new HashMap(this.propertiesMap);
+    } 
+  }
+  
+  public boolean hasProperties() {
+    return (hasOwnProperties() || (this.base != null && this.base.hasProperties()));
+  }
+  
+  public boolean hasOwnProperties() {
+    return (this.propertiesList != null && !this.propertiesList.isEmpty());
+  }
+  
+  public static JRPropertiesMap getPropertiesClone(JRPropertiesHolder propertiesHolder) {
+    JRPropertiesMap clone;
+    if (propertiesHolder.hasProperties()) {
+      clone = propertiesHolder.getPropertiesMap().cloneProperties();
+    } else {
+      clone = null;
+    } 
+    return clone;
+  }
+  
+  public JRPropertiesMap getBaseProperties() {
+    return this.base;
+  }
+  
+  public void setBaseProperties(JRPropertiesMap base) {
+    this.base = base;
+  }
+}