Package org.jboss.beans.metadata.plugins

Source Code of org.jboss.beans.metadata.plugins.AbstractPropertyMetaData

/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.beans.metadata.plugins;

import java.io.Serializable;
import java.util.Set;

import javax.xml.bind.annotation.XmlType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.bind.annotation.XmlValue;

import org.jboss.beans.info.spi.PropertyInfo;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.beans.metadata.spi.PropertyMetaData;
import org.jboss.beans.metadata.spi.ValueMetaData;
import org.jboss.dependency.spi.ControllerState;
import org.jboss.kernel.plugins.config.Configurator;
import org.jboss.kernel.spi.config.KernelConfigurator;
import org.jboss.kernel.spi.dependency.KernelControllerContext;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossStringBuilder;
import org.jboss.managed.api.annotation.ManagementProperty;

/**
* Metadata for a property.
*
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 81671 $
*/
@XmlType(name="propertyType", propOrder={"annotations", "value"})
public class AbstractPropertyMetaData extends AbstractFeatureMetaData
   implements PropertyMetaData, ValueMetaDataAware, TypeProvider, Serializable
{
   private static final long serialVersionUID = 3L;

   /** The property name */
   protected String name;

   /** The preinstantiate */
   protected boolean preInstantiate = true;

   /** The property value */
   protected ValueMetaData value;

   /** The property type */
   protected String type;
  
   /** The property replace */
   private Boolean replace;
  
   /** Whether to trim */
   private Boolean trim;
  
   /**
    * Create a new property meta data
    */
   public AbstractPropertyMetaData()
   {
   }

   /**
    * Create a new property meta data
    *
    * @param name the name
    * @param value the value
    */
   public AbstractPropertyMetaData(String name, Object value)
   {
      this.name = name;
      this.value = new AbstractValueMetaData(value);
   }

   /**
    * Create a new property meta data
    *
    * @param name the name
    * @param value the string value
    */
   public AbstractPropertyMetaData(String name, String value)
   {
      this.name = name;
      this.value = new StringValueMetaData(value);
   }

   /**
    * Create a new attribute meta data
    *
    * @param name the name
    * @param value the value meta data
    */
   public AbstractPropertyMetaData(String name, ValueMetaData value)
   {
      this.name = name;
      this.value = value;
   }

   /**
    * Create a new property meta data
    *
    * @param name the name
    * @param value the string value
    * @param type the type
    */
   public AbstractPropertyMetaData(String name, String value, String type)
   {
      this.name = name;
      StringValueMetaData svmd = new StringValueMetaData(value);
      svmd.setType(type);
      this.value = svmd;
   }

   public String getName()
   {
      return name;
   }

   /**
    * Set the name
    *
    * @param name the name
    */
   @XmlAttribute
   public void setName(String name)
   {
      this.name = name;
      flushJBossObjectCache();
   }

   public String getType()
   {
      if (value instanceof AbstractTypeMetaData)
      {
         String valueType = ((AbstractTypeMetaData)value).getType();
         if (valueType != null)
            return valueType;
      }
      return type;
   }

   public boolean isPreInstantiate()
   {
      return preInstantiate;
   }

   @XmlAttribute(name="preinstantiate")
   public void setPreInstantiate(boolean preInstantiate)
   {
      this.preInstantiate = preInstantiate;
   }

   public ValueMetaData getValue()
   {
      return value;
   }

   /**
    * Set the value
    *
    * @param value the value
    */
   @XmlElements
   ({
      @XmlElement(name="array", type=AbstractArrayMetaData.class),
      @XmlElement(name="collection", type=AbstractCollectionMetaData.class),
      @XmlElement(name="inject", type=AbstractInjectionValueMetaData.class),
      @XmlElement(name="search", type= AbstractSearchValueMetaData.class),
      @XmlElement(name="list", type=AbstractListMetaData.class),
      @XmlElement(name="map", type=AbstractMapMetaData.class),
      @XmlElement(name="set", type=AbstractSetMetaData.class),
      @XmlElement(name="null", type=AbstractValueMetaData.class),
      @XmlElement(name="this", type=ThisValueMetaData.class),
      @XmlElement(name="value", type=StringValueMetaData.class),
      @XmlElement(name="value-factory", type=AbstractValueFactoryMetaData.class)
   })
   public void setValue(ValueMetaData value)
   {
      this.value = value;
      flushJBossObjectCache();
   }

   @XmlAnyElement
   @ManagementProperty(ignored = true)
   public void setValueObject(Object value)
   {
      if (value == null)
         setValue(null);
      else if (value instanceof ValueMetaData)
         setValue((ValueMetaData) value);
      else
         setValue(new AbstractValueMetaData(value));
   }

   @XmlValue
   @ManagementProperty(ignored = true)
   public void setValueString(String value)
   {
      if (value == null)
         setValue(null);
      else
      {
         ValueMetaData valueMetaData = getValue();
         if (valueMetaData instanceof StringValueMetaData)
         {
            ((StringValueMetaData) valueMetaData).setValue(value);
         }
         else
         {
            StringValueMetaData stringValue = new StringValueMetaData(value);
            stringValue.setType(getType());
            setValue(stringValue);
         }
      }
   }

   public String getPropertyType()
   {
      return type;
   }
  
   @XmlAttribute(name="class")
   @ManagementProperty(ignored = true)
   public void setPropertyType(String type)
   {
      this.type = type;
   }

   @XmlAttribute(name="replace")
   @ManagementProperty(ignored = true)
   public void setPropertyReplace(boolean replace)
   {
      this.replace = replace;
   }

   @XmlAttribute(name="trim")
   @ManagementProperty(ignored = true)
   public void setPropertyTrim(boolean trim)
   {
      this.trim = trim;
   }

   public void initialVisit(MetaDataVisitor visitor)
   {
      String name = getName();
      if (name == null || name.trim().length() == 0)
         throw new IllegalArgumentException("Null or empty property name.");

      ValueMetaData vmd = getValue();
      if (vmd != null && vmd instanceof AbstractInjectionValueMetaData)
         ((AbstractInjectionValueMetaData) vmd).setPropertyMetaData(this);

      if (vmd != null && vmd instanceof StringValueMetaData)
      {
         StringValueMetaData svmd = (StringValueMetaData) vmd;
         if (type != null)
            svmd.setType(type);
         if (replace != null)
            svmd.setReplace(replace);
         if (trim != null)
            svmd.setTrim(trim);
      }
     
      visitor.setContextState(ControllerState.CONFIGURED);
      super.initialVisit(visitor);
   }

   public void addChildren(Set<MetaDataVisitorNode> children)
   {
      if (value != null)
         children.add(value);
   }

   public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
   {
      String type = getType();
      if (type != null)
      {
         KernelControllerContext context = visitor.getControllerContext();
         ClassLoader cl = Configurator.getClassLoader(context.getBeanMetaData());
         KernelConfigurator configurator = context.getKernel().getConfigurator();
         return configurator.getClassInfo(type, cl);
      }
      // check properties
      KernelControllerContext context = visitor.getControllerContext();
      BeanInfo beanInfo = context.getBeanInfo();
      PropertyInfo pi = beanInfo.getProperty(getName());
      return applyCollectionOrMapCheck(pi.getType());
   }

   public void toString(JBossStringBuilder buffer)
   {
      buffer.append("name=").append(name);
      if (value != null)
         buffer.append(" value=").append(value);
      super.toString(buffer);
   }

   public void toShortString(JBossStringBuilder buffer)
   {
      buffer.append(name);
   }

   public AbstractPropertyMetaData clone()
   {
      AbstractPropertyMetaData clone = (AbstractPropertyMetaData)super.clone();
      doClone(clone);
      clone.setValue(CloneUtil.cloneObject(value, ValueMetaData.class));
      return clone;
   }
}
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