Java PropertyEditor類代碼示例

import java.beans.PropertyEditor; //導入依賴的package包/類
/**
 * Used by PropertyAction to mimic property sheet behavior - trying to invoke
 * PropertyEnv listener of the current property editor (we can't create our
 * own PropertyEnv instance).
 * 
 * @return current value
 * @throws java.beans.PropertyVetoException if someone vetoes this change.
 */
public Object commitChanges() throws PropertyVetoException {
    int currentIndex = editorsCombo.getSelectedIndex();
    PropertyEditor currentEditor = currentIndex > -1 ? allEditors[currentIndex] : null;
    if (currentEditor instanceof ExPropertyEditor) {
        // we can only guess - according to the typical pattern the propetry
        // editor itself or the custom editor usually implement the listener
        // registered in PropertyEnv
        PropertyChangeEvent evt = new PropertyChangeEvent(
                this, PropertyEnv.PROP_STATE, null, PropertyEnv.STATE_VALID);
        if (currentEditor instanceof VetoableChangeListener) {
            ((VetoableChangeListener)currentEditor).vetoableChange(evt);
        }
        Component currentCustEd = currentIndex > -1 ? allCustomEditors[currentIndex] : null;
        if (currentCustEd instanceof VetoableChangeListener) {
            ((VetoableChangeListener)currentCustEd).vetoableChange(evt);
        }
        if (currentEditor instanceof PropertyChangeListener) {
            ((PropertyChangeListener)currentEditor).propertyChange(evt);
        }
        if (currentCustEd instanceof PropertyChangeListener) {
            ((PropertyChangeListener)currentCustEd).propertyChange(evt);
        }
    }
    return commitChanges0();
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
@SuppressWarnings("unchecked")
private void createEditors(Properties configuration) {

	boolean trace = log.isTraceEnabled();
	// load properties using this class class loader
	ClassLoader classLoader = getClass().getClassLoader();

	for (Map.Entry<Object, Object> entry : configuration.entrySet()) {
		// key represents type
		Class<?> key;
		// value represents property editor
		Class<?> editorClass;
		try {
			key = classLoader.loadClass((String) entry.getKey());
			editorClass = classLoader.loadClass((String) entry.getValue());
		} catch (ClassNotFoundException ex) {
			throw (RuntimeException) new IllegalArgumentException("Cannot load class").initCause(ex);
		}

		Assert.isAssignable(PropertyEditor.class, editorClass);

		if (trace)
			log.trace("Adding property editor[" + editorClass + "] for type[" + key + "]");
		editors.put(key, (Class<? extends PropertyEditor>) editorClass);
	}
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
public static Font show(Font initialFont) {
    PropertyEditor pe = PropertyEditorManager.findEditor(Font.class);
    if (pe == null) {
        throw new RuntimeException("Could not find font editor component.");
    }
    pe.setValue(initialFont);
    DialogDescriptor dd = new DialogDescriptor(
            pe.getCustomEditor(),
            "Choose Font");
    DialogDisplayer.getDefault().createDialog(dd).setVisible(true);
    if (dd.getValue() == DialogDescriptor.OK_OPTION) {
        Font f = (Font)pe.getValue();
        return f;
    }
    return initialFont;
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
private static PropertyEditor findThePropertyEditor(Class clazz) {
    PropertyEditor pe;
    if (Object.class.equals(clazz)) {
        pe = null;
    } else {
        pe = PropertyEditorManager.findEditor(clazz);
        if (pe == null) {
            Class sclazz = clazz.getSuperclass();
            if (sclazz != null) {
                pe = findPropertyEditor(sclazz);
            }
        }
    }
    classesWithPE.put(clazz, pe != null);
    return pe;
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
boolean setValueWithMirror(Object value, Object valueMirror) {
    this.currentValue = value;
    Class clazz = valueMirror.getClass();
    PropertyEditor propertyEditor = findPropertyEditor(clazz);
    propertyEditor = testPropertyEditorOnValue(propertyEditor, valueMirror);
    if (propertyEditor == null) {
        return false;
    }
    boolean doAttach = false;
    mirrorClass = clazz;
    delegatePropertyEditor = propertyEditor;
    if (env != null && propertyEditor instanceof ExPropertyEditor) {
        doAttach = true;
    }
    delegateValue = valueMirror;
    delegatePropertyEditor.setValue(valueMirror);
    if (doAttach) {
        ((ExPropertyEditor) delegatePropertyEditor).attachEnv(env);
    }
    return doAttach;
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
@Override
public PropertyEditor getPropertyEditor() {
    return new PropertyEditorSupport() {
        @Override
        public void setAsText(String text) throws IllegalArgumentException {
            if (text instanceof String) {
                try {
                    entry.setMessage(!text.equals("") ? text : null);
                } catch (IOException ex) {
                    History.LOG.log(Level.WARNING, null, ex);
                }
                return;
            }
            throw new java.lang.IllegalArgumentException(text);
        }
        @Override
        public String getAsText() {
            return te.getDisplayValue();
        }
    };
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
public void setRadioButtonMax(int i) {
    if (i != radioButtonMax) {
        Dimension oldPreferredSize = null;

        if (isShowing()) {
            oldPreferredSize = getPreferredSize();
        }

        int old = radioButtonMax;
        radioButtonMax = i;

        if (oldPreferredSize != null) {
            //see if the change will affect anything
            PropertyEditor ed = PropUtils.getPropertyEditor(prop);
            String[] tags = ed.getTags();

            if (tags != null) {
                if ((tags.length >= i) != (tags.length >= old)) {
                    firePropertyChange("preferredSize", oldPreferredSize, getPreferredSize()); //NOI18N
                }
            }
        }
    }
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
@Override
public void actionPerformed(ActionEvent ae) {
    int i = getSelectedRow();

    if (i != -1) {
        FeatureDescriptor fd = getPropertySetModel().getFeatureDescriptor(i);

        if (fd instanceof Property) {
            java.beans.PropertyEditor ped = PropUtils.getPropertyEditor((Property) fd);
            System.err.println(ped.getClass().getName());
        } else {
            System.err.println("PropertySets - no editor"); //NOI18N
        }
    } else {
        System.err.println("No selection"); //NOI18N
    }
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
public static Object getValueFromBeanInfoPropertyEditor(
	           Class attrClass, String attrName, String attrValue,
		   Class propertyEditorClass) 
throws JasperException 
   {
try {
    PropertyEditor pe = (PropertyEditor)propertyEditorClass.newInstance();
    pe.setAsText(attrValue);
    return pe.getValue();
} catch (Exception ex) {
    throw new JasperException(
               Localizer.getMessage("jsp.error.beans.property.conversion",
			     attrValue, attrClass.getName(), attrName,
			     ex.getMessage()));
}
   }
 

import java.beans.PropertyEditor; //導入依賴的package包/類
PropertyEditor getPropertyEditor() { //package private for unit tests

        PropertyEditor result;

        if (editor != null) {
            return editor;
        }

        if (getInplaceEditor() != null) {
            result = getInplaceEditor().getPropertyEditor();
        } else {
            result = PropUtils.getPropertyEditor(getProperty());
        }

        editor = result;

        return result;
    }
 

import java.beans.PropertyEditor; //導入依賴的package包/類
private PropertyEditor getPropertyEditor(Class<?> requiredType) {
	// Special case: If no required type specified, which usually only happens for
	// Collection elements, or required type is not assignable to registered type,
	// which usually only happens for generic properties of type Object -
	// then return PropertyEditor if not registered for Collection or array type.
	// (If not registered for Collection or array, it is assumed to be intended
	// for elements.)
	if (this.registeredType == null ||
			(requiredType != null &&
			(ClassUtils.isAssignable(this.registeredType, requiredType) ||
			ClassUtils.isAssignable(requiredType, this.registeredType))) ||
			(requiredType == null &&
			(!Collection.class.isAssignableFrom(this.registeredType) && !this.registeredType.isArray()))) {
		return this.propertyEditor;
	}
	else {
		return null;
	}
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
public PropertyEditor getPropertyEditor() {
    if (mdl.getPropertyEditorClass() != null) {
        try {
            //System.err.println("ModelProperty creating a " 
            //+ mdl.getPropertyEditorClass());
            Constructor c = mdl.getPropertyEditorClass().getConstructor();
            c.setAccessible(true);

            return (PropertyEditor) c.newInstance(new Object[0]);
        } catch (Exception e) {
            Exceptions.printStackTrace(e);

            return new PropUtils.NoPropertyEditorEditor();
        }
    }

    return super.getPropertyEditor();
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
/**
 * @param requiredType
 * @param propertyPath
 * @return
 */
public PropertyEditor findCustomEditor ( final Class<?> requiredType, final String propertyPath )
{
    // first try to find exact match
    String key = requiredType.getCanonicalName () + ":" + propertyPath;
    PropertyEditor pe = this.propertyEditors.get ( key );
    // 2nd: try to find for class only
    if ( pe == null )
    {
        key = requiredType.getCanonicalName () + ":";
        pe = this.propertyEditors.get ( key );
    }
    // 3rd: try to get internal
    if ( pe == null )
    {
        pe = PropertyEditorManager.findEditor ( requiredType );
    }
    return pe;
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
public static Object getValueFromPropertyEditorManager(Class<?> attrClass, String attrName, String attrValue)
		throws JasperException {
	try {
		PropertyEditor propEditor = PropertyEditorManager.findEditor(attrClass);
		if (propEditor != null) {
			propEditor.setAsText(attrValue);
			return propEditor.getValue();
		} else {
			throw new IllegalArgumentException(
					Localizer.getMessage("jsp.error.beans.propertyeditor.notregistered"));
		}
	} catch (IllegalArgumentException ex) {
		throw new JasperException(Localizer.getMessage("jsp.error.beans.property.conversion", attrValue,
				attrClass.getName(), attrName, ex.getMessage()));
	}
}
 

import java.beans.PropertyEditor; //導入依賴的package包/類
@Override
public PropertyEditor getPropertyEditor() {
    if (editor == null) {
        editor = super.getPropertyEditor();
    }
    return editor;
}