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hrmsEjb/net/sf/jasperreports/engine/base/JRBasePropertyExpression.java

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+package net.sf.jasperreports.engine.base;
+
+import java.io.Serializable;
+import net.sf.jasperreports.engine.JRExpression;
+import net.sf.jasperreports.engine.JRPropertyExpression;
+import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
+import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;
+
+public class JRBasePropertyExpression implements JRPropertyExpression, Serializable, JRChangeEventsSupport {
+  private static final long serialVersionUID = 10200L;
+  
+  public static final String PROPERTY_NAME = "name";
+  
+  public static final String pROPERTY_VALUE_EXPRESSION = "valueExpression";
+  
+  private String name;
+  
+  private JRExpression valueExpression;
+  
+  private transient JRPropertyChangeSupport eventSupport;
+  
+  protected JRBasePropertyExpression() {}
+  
+  public JRBasePropertyExpression(JRPropertyExpression propertyExpression, JRBaseObjectFactory factory) {
+    this.name = propertyExpression.getName();
+    this.valueExpression = factory.getExpression(propertyExpression.getValueExpression());
+  }
+  
+  public String getName() {
+    return this.name;
+  }
+  
+  public void setName(String name) {
+    Object old = this.name;
+    this.name = name;
+    getEventSupport().firePropertyChange("name", old, this.name);
+  }
+  
+  public JRExpression getValueExpression() {
+    return this.valueExpression;
+  }
+  
+  protected void setValueExpression(JRExpression valueExpression) {
+    Object old = this.valueExpression;
+    this.valueExpression = valueExpression;
+    getEventSupport().firePropertyChange("valueExpression", old, this.valueExpression);
+  }
+  
+  public JRPropertyChangeSupport getEventSupport() {
+    synchronized (this) {
+      if (this.eventSupport == null)
+        this.eventSupport = new JRPropertyChangeSupport(this); 
+    } 
+    return this.eventSupport;
+  }
+}