There are 25 code examples for java.beans.PropertyDescriptor.

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Project Name: weka Package: weka.classifiers.misc

Source Code: InputMappedClassifierBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get an array of PropertyDescriptors for the InputMappedClassifier's
 * public properties.
 * @return an array of PropertyDescriptors
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    ArrayList<PropertyDescriptor> pds=new ArrayList<PropertyDescriptor>();
    p1=new PropertyDescriptor("modelPath",InputMappedClassifier.class);
    p1.setPropertyEditorClass(weka.gui.beans.FileEnvironmentField.class);
    pds.add(p1);
    pds.add(new PropertyDescriptor("ignoreCaseForNames",InputMappedClassifier.class));
    pds.add(new PropertyDescriptor("suppressMappingReport",InputMappedClassifier.class));
    pds.add(new PropertyDescriptor("trim",InputMappedClassifier.class));
    pds.add(new PropertyDescriptor("classifier",InputMappedClassifier.class));
    pds.add(new PropertyDescriptor("options",InputMappedClassifier.class));
    return pds.toArray(new PropertyDescriptor[1]);
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.core

Source Code: PropertyPath.java (Click to view .java file)

Method Code:
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/** 
 * returns the property and object associated with the given path, null if 
 * a problem occurred.
 * @param src		the object to start from
 * @param path	the path to follow
 * @return		not null, if the property could be found
 */
public static PropertyContainer find(Object src,Path path){
  PropertyContainer result;
  PropertyDescriptor desc;
  Object newSrc;
  PathElement part;
  Method method;
  Object methodResult;
  part=path.get(0);
  try {
    desc=new PropertyDescriptor(part.getName(),src.getClass());
  }
 catch (  Exception e) {
    desc=null;
    e.printStackTrace();
  }
  if (desc == null)   return null;
  if (path.size() == 1) {
    result=new PropertyContainer(desc,src);
  }
 else {
    try {
      method=desc.getReadMethod();
      methodResult=method.invoke(src,(Object[])null);
      if (part.hasIndex())       newSrc=Array.get(methodResult,part.getIndex());
 else       newSrc=methodResult;
      result=find(newSrc,path.subpath(1));
    }
 catch (    Exception e) {
      result=null;
      e.printStackTrace();
    }
  }
  return result;
}

Project Name: weka Package: weka.core

Source Code: CheckGOE.java (Click to view .java file)

Method Code:
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/** 
 * checks whether the object declares tip text method for all its
 * properties.
 * @return 		true if the test was passed
 */
public boolean checkToolTips(){
  boolean result;
  Class<?> cls;
  BeanInfo info;
  PropertyDescriptor[] desc;
  int i;
  Vector<String> missing;
  String suffix;
  print("Tool tips...");
  result=true;
  suffix="TipText";
  cls=getObject().getClass();
  try {
    info=Introspector.getBeanInfo(cls,Object.class);
    desc=info.getPropertyDescriptors();
  }
 catch (  Exception e) {
    e.printStackTrace();
    desc=null;
  }
  if (desc != null) {
    missing=new Vector<String>();
    for (i=0; i < desc.length; i++) {
      if (m_IgnoredProperties.contains(desc[i].getName()))       continue;
      if ((desc[i].getReadMethod() == null) || (desc[i].getWriteMethod() == null))       continue;
      try {
        cls.getMethod(desc[i].getName() + suffix,(Class[])null);
      }
 catch (      Exception e) {
        result=false;
        missing.add(desc[i].getName() + suffix);
      }
    }
    if (result)     println("yes");
 else     println("no (missing: " + missing + ")");
  }
 else {
    println("maybe");
  }
  return result;
}

Project Name: weka Package: weka.core.xml

Source Code: XMLSerialization.java (Click to view .java file)

Method Code:
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/** 
 * returns a descriptor for a given objet by providing the name
 * @param o the object the get the descriptor for
 * @param name the display name of the descriptor
 * @return the Descriptor, if found, otherwise <code>null</code>
 * @throws Exception if introsepction fails 
 */
protected PropertyDescriptor getDescriptorByName(Object o,String name) throws Exception {
  PropertyDescriptor result;
  PropertyDescriptor[] desc;
  int i;
  result=null;
  desc=Introspector.getBeanInfo(o.getClass()).getPropertyDescriptors();
  for (i=0; i < desc.length; i++) {
    if (desc[i].getDisplayName().equals(name)) {
      result=desc[i];
      break;
    }
  }
  return result;
}

Project Name: weka Package: weka.core.xml

Source Code: XMLSerialization.java (Click to view .java file)

Method Code:
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/** 
 * adds the specific node to the object via a set method
 * @param o            the object to set a property
 * @param name         the name of the object for which to set a property
 * (only for information reasons)
 * @param child        the value of the property to add
 * @return             the provided object, but augmented by the child
 * @throws Exception   if something goes wrong
 */
public Object readFromXML(Object o,String name,Element child) throws Exception {
  Object result;
  Hashtable descriptors;
  PropertyDescriptor descriptor;
  String methodName;
  Method method;
  Object[] methodArgs;
  Object tmpResult;
  Class paramClass;
  result=o;
  descriptors=getDescriptors(result);
  methodName=child.getAttribute(ATT_NAME);
  if (m_Properties.isIgnored(getPath(child)))   return result;
  if (m_Properties.isIgnored(result,getPath(child)))   return result;
  if (!m_Properties.isAllowed(result,methodName))   return result;
  descriptor=(PropertyDescriptor)descriptors.get(methodName);
  if (descriptor == null) {
    if (!m_CustomMethods.read().contains(methodName))     System.out.println("WARNING: unknown property '" + name + "."+ methodName+ "'!");
    return result;
  }
  method=descriptor.getWriteMethod();
  methodArgs=new Object[1];
  tmpResult=invokeReadFromXML(child);
  paramClass=method.getParameterTypes()[0];
  if (paramClass.isArray()) {
    if (Array.getLength(tmpResult) == 0)     return result;
    methodArgs[0]=(Object[])tmpResult;
  }
 else {
    methodArgs[0]=tmpResult;
  }
  method.invoke(result,methodArgs);
  return result;
}

Project Name: weka Package: weka.experiment

Source Code: Experiment.java (Click to view .java file)

Method Code:
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/** 
 * Recursively sets the custom property value, by setting all values
 * along the property path.
 * @param propertyDepth the current position along the property path
 * @param origValue the value to set the property to
 * @throws Exception if an error occurs
 */
protected void setProperty(int propertyDepth,Object origValue) throws Exception {
  PropertyDescriptor current=m_PropertyPath[propertyDepth].property;
  Object subVal=null;
  if (propertyDepth < m_PropertyPath.length - 1) {
    Method getter=current.getReadMethod();
    Object getArgs[]={};
    subVal=getter.invoke(origValue,getArgs);
    setProperty(propertyDepth + 1,subVal);
  }
 else {
    subVal=Array.get(m_PropertyArray,m_PropertyNumber);
  }
  Method setter=current.getWriteMethod();
  Object[] args={subVal};
  setter.invoke(origValue,args);
}

Project Name: weka Package: weka.experiment

Source Code: PropertyNode.java (Click to view .java file)

Method Code:
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private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
  value=in.readObject();
  parentClass=(Class)in.readObject();
  String name=(String)in.readObject();
  String getter=(String)in.readObject();
  String setter=(String)in.readObject();
  try {
    property=new PropertyDescriptor(name,parentClass,getter,setter);
  }
 catch (  IntrospectionException ex) {
    throw new ClassNotFoundException("Couldn't create property descriptor: " + parentClass.getName() + "::"+ name);
  }
}

Project Name: weka Package: weka.experiment.xml

Source Code: XMLExperiment.java (Click to view .java file)

Method Code:
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/** 
 * adds the given PropertyNode to a DOM structure. 
 * @param parent the parent of this object, e.g. the class this object is a member of
 * @param o the Object to describe in XML
 * @param name the name of the object
 * @return the node that was created
 * @throws Exception if the DOM creation fails
 */
public Element writePropertyNode(Element parent,Object o,String name) throws Exception {
  Element node;
  PropertyNode pnode;
  Vector children;
  int i;
  Element child;
  if (DEBUG)   trace(new Throwable(),name);
  m_CurrentNode=parent;
  pnode=(PropertyNode)o;
  node=(Element)parent.appendChild(m_Document.getDocument().createElement(TAG_OBJECT));
  node.setAttribute(ATT_NAME,name);
  node.setAttribute(ATT_CLASS,pnode.getClass().getName());
  node.setAttribute(ATT_PRIMITIVE,VAL_NO);
  node.setAttribute(ATT_ARRAY,VAL_NO);
  if (pnode.value != null)   invokeWriteToXML(node,pnode.value,NAME_PROPERTYNODE_VALUE);
  if (pnode.parentClass != null)   invokeWriteToXML(node,pnode.parentClass.getName(),NAME_PROPERTYNODE_PARENTCLASS);
  if (pnode.property != null)   invokeWriteToXML(node,pnode.property.getDisplayName(),NAME_PROPERTYNODE_PROPERTY);
  if ((pnode.value != null) && (pnode.property != null) && (pnode.property.getPropertyType().isPrimitive())) {
    children=XMLDocument.getChildTags(node);
    for (i=0; i < children.size(); i++) {
      child=(Element)children.get(i);
      if (!child.getAttribute(ATT_NAME).equals(NAME_PROPERTYNODE_VALUE))       continue;
      child.setAttribute(ATT_CLASS,pnode.property.getPropertyType().getName());
      child.setAttribute(ATT_PRIMITIVE,VAL_YES);
    }
  }
  return node;
}

Project Name: weka Package: weka.gui.beans

Source Code: TrainTestSplitMakerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    p1=new PropertyDescriptor("trainPercent",TrainTestSplitMaker.class);
    p2=new PropertyDescriptor("seed",TrainTestSplitMaker.class);
    PropertyDescriptor[] pds={p1,p2};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: TrainTestSplitMakerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    p1=new PropertyDescriptor("trainPercent",TrainTestSplitMaker.class);
    p2=new PropertyDescriptor("seed",TrainTestSplitMaker.class);
    PropertyDescriptor[] pds={p1,p2};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassValuePickerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Returns the property descriptors
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("classValue",ClassValuePicker.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassValuePickerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Returns the property descriptors
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("classValue",ClassValuePicker.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: CrossValidationFoldMakerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    PropertyDescriptor p3;
    p1=new PropertyDescriptor("folds",CrossValidationFoldMaker.class);
    p2=new PropertyDescriptor("seed",CrossValidationFoldMaker.class);
    p3=new PropertyDescriptor("preserveOrder",CrossValidationFoldMaker.class);
    PropertyDescriptor[] pds={p1,p2,p3};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: CrossValidationFoldMakerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    PropertyDescriptor p3;
    p1=new PropertyDescriptor("folds",CrossValidationFoldMaker.class);
    p2=new PropertyDescriptor("seed",CrossValidationFoldMaker.class);
    p3=new PropertyDescriptor("preserveOrder",CrossValidationFoldMaker.class);
    PropertyDescriptor[] pds={p1,p2,p3};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: IncrementalClassifierEvaluatorBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    PropertyDescriptor p3;
    p1=new PropertyDescriptor("statusFrequency",IncrementalClassifierEvaluator.class);
    p2=new PropertyDescriptor("outputPerClassInfoRetrievalStats",IncrementalClassifierEvaluator.class);
    p3=new PropertyDescriptor("chartingEvalWindowSize",IncrementalClassifierEvaluator.class);
    PropertyDescriptor[] pds={p1,p2,p3};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: IncrementalClassifierEvaluatorBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    PropertyDescriptor p3;
    p1=new PropertyDescriptor("statusFrequency",IncrementalClassifierEvaluator.class);
    p2=new PropertyDescriptor("outputPerClassInfoRetrievalStats",IncrementalClassifierEvaluator.class);
    p3=new PropertyDescriptor("chartingEvalWindowSize",IncrementalClassifierEvaluator.class);
    PropertyDescriptor[] pds={p1,p2,p3};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: PredictionAppenderBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("appendPredictedProbabilities",PredictionAppender.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: PredictionAppenderBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Return the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("appendPredictedProbabilities",PredictionAppender.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassifierPerformanceEvaluatorBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("executionSlots",ClassifierPerformanceEvaluator.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassifierPerformanceEvaluatorBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("executionSlots",ClassifierPerformanceEvaluator.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: StripChartBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    p1=new PropertyDescriptor("xLabelFreq",StripChart.class);
    p2=new PropertyDescriptor("refreshFreq",StripChart.class);
    PropertyDescriptor[] pds={p1,p2};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: StripChartBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Get the property descriptors for this bean
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    PropertyDescriptor p2;
    p1=new PropertyDescriptor("xLabelFreq",StripChart.class);
    p2=new PropertyDescriptor("refreshFreq",StripChart.class);
    PropertyDescriptor[] pds={p1,p2};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassAssignerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Returns the property descriptors
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("classColumn",ClassAssigner.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.beans

Source Code: ClassAssignerBeanInfo.java (Click to view .java file)

Method Code:
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/** 
 * Returns the property descriptors
 * @return a <code>PropertyDescriptor[]</code> value
 */
public PropertyDescriptor[] getPropertyDescriptors(){
  try {
    PropertyDescriptor p1;
    p1=new PropertyDescriptor("classColumn",ClassAssigner.class);
    PropertyDescriptor[] pds={p1};
    return pds;
  }
 catch (  Exception ex) {
    ex.printStackTrace();
  }
  return null;
}

Project Name: weka Package: weka.gui.experiment

Source Code: GeneratorPropertyIteratorPanel.java (Click to view .java file)

Method Code:
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/** 
 * Gets the user to select a property of the current resultproducer.
 * @return APPROVE_OPTION if the selection went OK, otherwise the selection
 * was cancelled.
 */
protected int selectProperty(){
  final PropertySelectorDialog jd=new PropertySelectorDialog(null,m_Exp.getResultProducer());
  jd.setLocationRelativeTo(this);
  int result=jd.showDialog();
  if (result == PropertySelectorDialog.APPROVE_OPTION) {
    System.err.println("Property Selected");
    PropertyNode[] path=jd.getPath();
    Object value=path[path.length - 1].value;
    PropertyDescriptor property=path[path.length - 1].property;
    Class propertyClass=property.getPropertyType();
    m_Exp.setPropertyPath(path);
    m_Exp.setPropertyArray(Array.newInstance(propertyClass,1));
    Array.set(m_Exp.getPropertyArray(),0,value);
    m_ArrayEditor.setValue(m_Exp.getPropertyArray());
    m_ArrayEditor.repaint();
    System.err.println("Set new array to array editor");
  }
 else {
    System.err.println("Cancelled");
  }
  return result;
}