User: danch
Date: 02/02/25 09:17:39
Modified: src/main/org/jboss/ejb/plugins/jaws/metadata Tag: Branch_2_4
CMPFieldMetaData.java
Log:
made some log messages more informative
Revision Changes Path
No revision
No revision
1.6.4.3 +523 -516
jboss/src/main/org/jboss/ejb/plugins/jaws/metadata/CMPFieldMetaData.java
Index: CMPFieldMetaData.java
===================================================================
RCS file:
/cvsroot/jboss/jboss/src/main/org/jboss/ejb/plugins/jaws/metadata/CMPFieldMetaData.java,v
retrieving revision 1.6.4.2
retrieving revision 1.6.4.3
diff -u -r1.6.4.2 -r1.6.4.3
--- CMPFieldMetaData.java 20 Nov 2001 09:42:51 -0000 1.6.4.2
+++ CMPFieldMetaData.java 25 Feb 2002 17:17:38 -0000 1.6.4.3
@@ -1,516 +1,523 @@
-/*
- * JBoss, the OpenSource EJB server
- *
- * Distributable under LGPL license.
- * See terms of license at gnu.org.
- */
-package org.jboss.ejb.plugins.jaws.metadata;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.sql.Types;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.StringTokenizer;
-import org.w3c.dom.Element;
-
-import org.jboss.deployment.DeploymentException;
-import org.jboss.metadata.XmlLoadable;
-import org.jboss.metadata.MetaData;
-import org.jboss.metadata.EjbRefMetaData;
-
-import org.jboss.logging.Logger;
-
-/**
- * This class holds all the information jaws needs to know about a CMP field
- * It loads its data from standardjaws.xml and jaws.xml
- *
- * @see <related>
- * @author <a href="[EMAIL PROTECTED]">Sebastien Alborini</a>
- * @author <a href="mailto:[EMAIL PROTECTED]";>Dirk Zimmermann</a>
- * @author <a href="mailto:[EMAIL PROTECTED]";>Vincent Harcq</a>
- * @version $Revision: 1.6.4.2 $
- */
-public class CMPFieldMetaData extends MetaData implements XmlLoadable
-{
- // Constants -----------------------------------------------------
- static Logger log = Logger.getLogger(CMPFieldMetaData.class);
- // Attributes ----------------------------------------------------
-
- // the entity this field belongs to
- private JawsEntityMetaData jawsEntity;
-
- // name of the field
- private String name;
-
- // the actual Field in the bean implementation
- private Field field;
-
- // the jdbc type (see java.sql.Types), used in PreparedStatement.setParameter
- private int jdbcType;
- // true if jdbcType has been initialized
- private boolean validJdbcType;
-
- // the sql type, used for table creation.
- private String sqlType;
-
- // the column name in the table
- private String columnName;
-
- private boolean isAPrimaryKeyField;
-
-
- /**
- * We need this for nested field retrieval.
- */
- private String ejbClassName;
-
- /**
- * We need this for nested fields. We could compute it from ejbClassName on the
fly,
- * but it's faster to set it once and cache it.
- */
- private Class ejbClass;
-
- /**
- * Is true for fields like "data.categoryPK".
- */
- private boolean isNested;
-
- // Static --------------------------------------------------------
-
- // Constructors --------------------------------------------------
- public CMPFieldMetaData(String name, JawsEntityMetaData jawsEntity) throws
DeploymentException
- {
- this.name = name;
- this.jawsEntity = jawsEntity;
-
- // save the class name for nested fields
- ejbClassName = jawsEntity.getEntity().getEjbClass();
- ejbClassName = jawsEntity.getEntity().getEjbClass();
-
- try
- {
- // save the class for nested fields
- ejbClass =
jawsEntity.getJawsApplication().getClassLoader().loadClass(ejbClassName);
- field = ejbClass.getField(name);
- } catch (ClassNotFoundException e)
- {
- throw new DeploymentException("ejb class not found: " + ejbClassName);
- } catch (NoSuchFieldException e)
- {
- // we can't throw an Exception here, because we could have a nested field
- checkField();
- }
-
- // default, may be overridden by importXml
- columnName = getLastComponent(name);
-
- // cannot set defaults for jdbctype/sqltype, type mappings are not loaded yet.
- }
-
-
- // Public --------------------------------------------------------
- public String getName()
- { return name; }
-
- public Field getField()
- { return field; }
-
- public int getJDBCType()
- {
- if (! validJdbcType)
- {
- // set the default
- if (field!=null)
- jdbcType =
jawsEntity.getJawsApplication().getTypeMapping().getJdbcTypeForJavaType(field.getType());
- else
- {
- try
- {
- jdbcType =
jawsEntity.getJawsApplication().getTypeMapping().getJdbcTypeForJavaType(ValueObjectHelper.getNestedFieldType(ejbClass,name));
- } catch(NoSuchMethodException e)
- {
- log.warn("ERROR : Nested Field does not have a get method");
- }
- }
- validJdbcType = true;
- }
- return jdbcType;
- }
-
- public String getSQLType()
- {
- if (sqlType == null)
- {
- // set the default
- if (field!=null)
- sqlType =
jawsEntity.getJawsApplication().getTypeMapping().getSqlTypeForJavaType(field.getType());
- else
- {
- try
- {
- sqlType =
jawsEntity.getJawsApplication().getTypeMapping().getSqlTypeForJavaType(ValueObjectHelper.getNestedFieldType(ejbClass,name));
- } catch(NoSuchMethodException e)
- {
- log.warn("ERROR : Nested Field does not have a get method");
- }
- }
- }
- return sqlType;
- }
-
- public String getColumnName()
- { return columnName; }
-
- public boolean isEJBReference()
- { return jdbcType == Types.REF; }
-
- public boolean isAPrimaryKeyField()
- { return isAPrimaryKeyField; }
-
- public JawsEntityMetaData getJawsEntity()
- { return jawsEntity; }
-
- /**
- * Returns the last component of a composite fieldName. E.g., for
"data.categoryPK" it
- * will return "categoryPK".
- */
- public static String getLastComponent(String name)
- {
- String fieldName = name;
- StringTokenizer st = new StringTokenizer(name, ".");
- while(st.hasMoreTokens())
- {
- fieldName = st.nextToken();
- }
- return fieldName;
- }
-
- /**
- * Returns the first component of a composite fieldName. E.g., for
"data.categoryPK" it
- * will return "data".
- */
- public static String getFirstComponent(String name)
- {
- String fieldName;
- StringTokenizer st = new StringTokenizer(name, ".");
- if (st.hasMoreTokens())
- {
- fieldName = st.nextToken();
- }
- else
- {
- fieldName = null;
- }
- return fieldName;
- }
-
- /**
- * Detects the actual field of a nested field and sets field accordingly.
- * If field doesn't exist, throws a DeploymentException.
- */
- private void checkField() throws DeploymentException
- {
- try
- {
- field = verifyNestedField();
- }
- catch(DeploymentException e)
- {
- // try it again, but debug Class before :))
- debugClass(ejbClass);
- field = verifyNestedField();
- log.warn("!!! using buggy hotspot, try to upgrade ... !!!");
- }
- }
-
- /**
- * Traverses and verifies a nested field, so that every field given in jaws.xml
- * exists in the Bean.
- */
- private Field verifyNestedField() throws DeploymentException
- {
- String fieldName = null;
- Field tmpField = null;
- Class tmpClass = ejbClass;
- StringTokenizer st = new StringTokenizer(name, ".");
-
- if (st.countTokens() > 1)
- {
- isNested = true;
- }
-
- while(st.hasMoreTokens())
- {
- fieldName = st.nextToken();
- try
- {
- //debugClass(tmpClass);
- tmpField = tmpClass.getField(fieldName);
- tmpClass = tmpField.getType();
- log.debug("(Dependant Object) "+tmpField.getName());
- }
- catch (NoSuchFieldException e)
- {
- // we can have a private attribute, then we will use fieldName
- // to find the get/set methods, but still have to set jdbcType/SQLType
- // but can not yet do it sowe have to set field to null so that
- // getJDBCType will not use the parent Field to find the types
- field = null;
- return null;
- }
- }
- return tmpField;
- }
-
- /**
- * We don't rely on the field alone for getting the type since we support nested
field
- * like 'data.categoryPK'.
- */
- public Class getFieldType()
- {
- if (field != null)
- {
- // The default case as it always was :)
- return field.getType();
- }
-
- // We obviously have a nested field (or an erroneous one)
- Field tmpField = null;
- Class tmpClass = ejbClass;
- String fieldName = null;
- StringTokenizer st = new StringTokenizer(name, ".");
- while(st.hasMoreTokens())
- {
- fieldName = st.nextToken();
- try
- {
- tmpField = tmpClass.getField(fieldName);
- tmpClass = tmpField.getType();
- }
- catch (NoSuchFieldException e)
- {
- // We have a nested Field
- try
- {
- return ValueObjectHelper.getNestedFieldType(ejbClass,name);
- }
- catch (NoSuchMethodException ne)
- {
- log.warn("Nested field "+fieldName+" does not have a get method on
"+ejbClass.getName());
- return null;
- }
- }
- }
- return tmpField.getType();
- }
-
- /**
- * Is used mainly for nested fields. Sets the value of a nested field.
- */
- public void set(Object instance, Object value)
- {
- Field tmpField = null;
- String fieldName = null;
- Object currentObject = instance;
- Object oldObject;
- StringTokenizer st = new StringTokenizer(name, ".");
- //log.debug("set on cmp-field "+name+"="+value);
- // First we instanciate nested objects if they do not already exist
- int i=1;
- int tot=st.countTokens();
- while (st.hasMoreTokens() && (i < tot) )
- {
- i++;
- fieldName = st.nextToken();
- //log.debug("initialize "+fieldName+ " on "+currentObject.getClass());
- oldObject = currentObject;
- try
- {
- tmpField = currentObject.getClass().getField(fieldName);
- currentObject = tmpField.get(currentObject);
- // On our path, we have to instantiate every intermediate object
- if (currentObject == null)
- {
- currentObject = tmpField.getType().newInstance();
- tmpField.set(oldObject, currentObject);
- }
- }
- catch (NoSuchFieldException ne)
- {
- try
- {
- currentObject = ValueObjectHelper.getValue(currentObject,fieldName);
- if (currentObject == null)
- {
- currentObject =
ValueObjectHelper.getNestedFieldType(oldObject.getClass(),fieldName).newInstance();
- ValueObjectHelper.setValue(oldObject,fieldName,currentObject);
- }
- }
- catch (NoSuchMethodException e)
- {
- log.warn("set method not found for " + fieldName + " on " +
oldObject.getClass().getName());
- }
- catch (InvocationTargetException e)
- {
- log.warn("set method not invocable " + fieldName + " on " +
currentObject.getClass().getName());
- }
- catch (IllegalAccessException e)
- {
- log.warn("!!! Deployment Failure !!!" + e);
- }
- catch (InstantiationException e)
- {
- log.warn("could not instantiate " + tmpField);
- }
- }
- catch (IllegalAccessException e)
- {
- log.warn("!!! Deployment Failure !!!" + e);
- }
- catch (InstantiationException e)
- {
- log.warn("could not instantiate " + tmpField);
- }
- catch (Exception e)
- {
- log.warn("Exception " + e);
- }
- }
- //log.debug("initialization of nested objects done for "+name);
- // Now we set the value of the last component into the created object
- try
- {
- try
- {
- Field dataField =
currentObject.getClass().getField(getLastComponent(name));
- dataField.set(currentObject, value);
- }
- catch (NoSuchFieldException nse)
- {
- //log.debug("set on "+getLastComponent(name)+ " on
"+currentObject.getClass()+ "="+value);
- ValueObjectHelper.setValue(currentObject,getLastComponent(name),value);
- }
- }
- catch (IllegalAccessException e)
- {
- log.warn("!!! Deployment Failure !!!" + e);
- }
- catch (InvocationTargetException e)
- {
- log.warn("set method not invocable " + getLastComponent(name) + " on " +
currentObject.getClass().getName());
- }
- catch (NoSuchMethodException e)
- {
- log.warn("set method not found for " + getLastComponent(name) + " on " +
currentObject.getClass().getName());
- }
- }
-
- /**
- * Returns the value of this field.
- */
- public Object getValue(Object instance)
- {
- String fieldName;
- Object currentObject = instance;
- Field currentField;
- //Object currentValue = null;
-
- try
- {
- if (!isNested())
- {
- return getField().get(instance);
- }
- else
- {
- StringTokenizer st = new StringTokenizer(name, ".");
- while(st.hasMoreTokens())
- {
- fieldName = st.nextToken();
- if (currentObject == null) return null;
- try
- {
- currentField = currentObject.getClass().getField(fieldName);
- currentObject = currentField.get(currentObject);
- }
- catch(NoSuchFieldException e)
- {
- currentField = null;
- currentObject =
ValueObjectHelper.getValue(currentObject,fieldName);
- }
- }
- return currentObject;
- }
- }
- catch (IllegalAccessException e)
- {
- // We have already checked the presence of this field in the constructor,
- // so there is no need to throw an exception here.
- log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
- }
- catch (InvocationTargetException e)
- {
- log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
- }
- catch (NoSuchMethodException e)
- {
- log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
- }
- return null;
- }
-
- public boolean isNested()
- {
- return isNested;
- }
-
- // XmlLoadable implementation ------------------------------------
- public void importXml(Element element) throws DeploymentException
- {
-
- // column name
- String columnStr = getElementContent(getOptionalChild(element,
"column-name"));
- // For Netsted Properties, we will have a column name blank which means
- // the CMPField need to be removed. It will be reconstrcut and decompose
- // by Jaws when needed
- if (columnStr != null) columnName = columnStr;
-
- // jdbc type
- String jdbcStr = getElementContent(getOptionalChild(element, "jdbc-type"));
-
- if (jdbcStr != null)
- {
- jdbcType = MappingMetaData.getJdbcTypeFromName(jdbcStr);
- validJdbcType = true;
-
- sqlType = getElementContent(getUniqueChild(element, "sql-type"));
- }
-
- }
-
-
- // Package protected ---------------------------------------------
- void setPrimary()
- {
- isAPrimaryKeyField = true;
- }
-
- // Protected -----------------------------------------------------
-
- // Private -------------------------------------------------------
-
- /**
- * Workaround for certain Hotspot problems. Just traverse all the fields
- * in the Class, so Hotspot won't optimize to bad ...
- */
- private void debugClass(Class debugClass)
- {
- Field[] fields = debugClass.getFields();
- for (int i = 0; i < fields.length; ++i)
- {
- }
- }
-
- // Inner classes -------------------------------------------------
-}
+/*
+ * JBoss, the OpenSource EJB server
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package org.jboss.ejb.plugins.jaws.metadata;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.sql.Types;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+import org.w3c.dom.Element;
+
+import org.jboss.deployment.DeploymentException;
+import org.jboss.metadata.XmlLoadable;
+import org.jboss.metadata.MetaData;
+import org.jboss.metadata.EjbRefMetaData;
+
+import org.jboss.logging.Logger;
+
+/**
+ * This class holds all the information jaws needs to know about a CMP field
+ * It loads its data from standardjaws.xml and jaws.xml
+ *
+ * @see <related>
+ * @author <a href="[EMAIL PROTECTED]">Sebastien Alborini</a>
+ * @author <a href="mailto:[EMAIL PROTECTED]";>Dirk Zimmermann</a>
+ * @author <a href="mailto:[EMAIL PROTECTED]";>Vincent Harcq</a>
+ * @version $Revision: 1.6.4.3 $
+ *
+ * <p><b>Revisions:</b>
+ *
+ * <p><b>20020225 danch:</b>
+ * <ul>
+ * <li>Make 'does not have a get method' messages more informative</li>
+ * </ul>
+ */
+public class CMPFieldMetaData extends MetaData implements XmlLoadable
+{
+ // Constants -----------------------------------------------------
+ static Logger log = Logger.getLogger(CMPFieldMetaData.class);
+ // Attributes ----------------------------------------------------
+
+ // the entity this field belongs to
+ private JawsEntityMetaData jawsEntity;
+
+ // name of the field
+ private String name;
+
+ // the actual Field in the bean implementation
+ private Field field;
+
+ // the jdbc type (see java.sql.Types), used in PreparedStatement.setParameter
+ private int jdbcType;
+ // true if jdbcType has been initialized
+ private boolean validJdbcType;
+
+ // the sql type, used for table creation.
+ private String sqlType;
+
+ // the column name in the table
+ private String columnName;
+
+ private boolean isAPrimaryKeyField;
+
+
+ /**
+ * We need this for nested field retrieval.
+ */
+ private String ejbClassName;
+
+ /**
+ * We need this for nested fields. We could compute it from ejbClassName on the
fly,
+ * but it's faster to set it once and cache it.
+ */
+ private Class ejbClass;
+
+ /**
+ * Is true for fields like "data.categoryPK".
+ */
+ private boolean isNested;
+
+ // Static --------------------------------------------------------
+
+ // Constructors --------------------------------------------------
+ public CMPFieldMetaData(String name, JawsEntityMetaData jawsEntity) throws
DeploymentException
+ {
+ this.name = name;
+ this.jawsEntity = jawsEntity;
+
+ // save the class name for nested fields
+ ejbClassName = jawsEntity.getEntity().getEjbClass();
+ ejbClassName = jawsEntity.getEntity().getEjbClass();
+
+ try
+ {
+ // save the class for nested fields
+ ejbClass =
jawsEntity.getJawsApplication().getClassLoader().loadClass(ejbClassName);
+ field = ejbClass.getField(name);
+ } catch (ClassNotFoundException e)
+ {
+ throw new DeploymentException("ejb class not found: " + ejbClassName);
+ } catch (NoSuchFieldException e)
+ {
+ // we can't throw an Exception here, because we could have a nested field
+ checkField();
+ }
+
+ // default, may be overridden by importXml
+ columnName = getLastComponent(name);
+
+ // cannot set defaults for jdbctype/sqltype, type mappings are not loaded yet.
+ }
+
+
+ // Public --------------------------------------------------------
+ public String getName()
+ { return name; }
+
+ public Field getField()
+ { return field; }
+
+ public int getJDBCType()
+ {
+ if (! validJdbcType)
+ {
+ // set the default
+ if (field!=null)
+ jdbcType =
jawsEntity.getJawsApplication().getTypeMapping().getJdbcTypeForJavaType(field.getType());
+ else
+ {
+ try
+ {
+ jdbcType =
jawsEntity.getJawsApplication().getTypeMapping().getJdbcTypeForJavaType(ValueObjectHelper.getNestedFieldType(ejbClass,name));
+ } catch(NoSuchMethodException e)
+ {
+ log.warn("Nested Field "+name+" does not have a get method on
"+ejbClassName);
+ }
+ }
+ validJdbcType = true;
+ }
+ return jdbcType;
+ }
+
+ public String getSQLType()
+ {
+ if (sqlType == null)
+ {
+ // set the default
+ if (field!=null)
+ sqlType =
jawsEntity.getJawsApplication().getTypeMapping().getSqlTypeForJavaType(field.getType());
+ else
+ {
+ try
+ {
+ sqlType =
jawsEntity.getJawsApplication().getTypeMapping().getSqlTypeForJavaType(ValueObjectHelper.getNestedFieldType(ejbClass,name));
+ } catch(NoSuchMethodException e)
+ {
+ log.warn("Nested Field "+name+" does not have a get method on
"+ejbClassName);
+ }
+ }
+ }
+ return sqlType;
+ }
+
+ public String getColumnName()
+ { return columnName; }
+
+ public boolean isEJBReference()
+ { return jdbcType == Types.REF; }
+
+ public boolean isAPrimaryKeyField()
+ { return isAPrimaryKeyField; }
+
+ public JawsEntityMetaData getJawsEntity()
+ { return jawsEntity; }
+
+ /**
+ * Returns the last component of a composite fieldName. E.g., for
"data.categoryPK" it
+ * will return "categoryPK".
+ */
+ public static String getLastComponent(String name)
+ {
+ String fieldName = name;
+ StringTokenizer st = new StringTokenizer(name, ".");
+ while(st.hasMoreTokens())
+ {
+ fieldName = st.nextToken();
+ }
+ return fieldName;
+ }
+
+ /**
+ * Returns the first component of a composite fieldName. E.g., for
"data.categoryPK" it
+ * will return "data".
+ */
+ public static String getFirstComponent(String name)
+ {
+ String fieldName;
+ StringTokenizer st = new StringTokenizer(name, ".");
+ if (st.hasMoreTokens())
+ {
+ fieldName = st.nextToken();
+ }
+ else
+ {
+ fieldName = null;
+ }
+ return fieldName;
+ }
+
+ /**
+ * Detects the actual field of a nested field and sets field accordingly.
+ * If field doesn't exist, throws a DeploymentException.
+ */
+ private void checkField() throws DeploymentException
+ {
+ try
+ {
+ field = verifyNestedField();
+ }
+ catch(DeploymentException e)
+ {
+ // try it again, but debug Class before :))
+ debugClass(ejbClass);
+ field = verifyNestedField();
+ log.warn("!!! using buggy hotspot, try to upgrade ... !!!");
+ }
+ }
+
+ /**
+ * Traverses and verifies a nested field, so that every field given in jaws.xml
+ * exists in the Bean.
+ */
+ private Field verifyNestedField() throws DeploymentException
+ {
+ String fieldName = null;
+ Field tmpField = null;
+ Class tmpClass = ejbClass;
+ StringTokenizer st = new StringTokenizer(name, ".");
+
+ if (st.countTokens() > 1)
+ {
+ isNested = true;
+ }
+
+ while(st.hasMoreTokens())
+ {
+ fieldName = st.nextToken();
+ try
+ {
+ //debugClass(tmpClass);
+ tmpField = tmpClass.getField(fieldName);
+ tmpClass = tmpField.getType();
+ log.debug("(Dependant Object) "+tmpField.getName());
+ }
+ catch (NoSuchFieldException e)
+ {
+ // we can have a private attribute, then we will use fieldName
+ // to find the get/set methods, but still have to set jdbcType/SQLType
+ // but can not yet do it sowe have to set field to null so that
+ // getJDBCType will not use the parent Field to find the types
+ field = null;
+ return null;
+ }
+ }
+ return tmpField;
+ }
+
+ /**
+ * We don't rely on the field alone for getting the type since we support nested
field
+ * like 'data.categoryPK'.
+ */
+ public Class getFieldType()
+ {
+ if (field != null)
+ {
+ // The default case as it always was :)
+ return field.getType();
+ }
+
+ // We obviously have a nested field (or an erroneous one)
+ Field tmpField = null;
+ Class tmpClass = ejbClass;
+ String fieldName = null;
+ StringTokenizer st = new StringTokenizer(name, ".");
+ while(st.hasMoreTokens())
+ {
+ fieldName = st.nextToken();
+ try
+ {
+ tmpField = tmpClass.getField(fieldName);
+ tmpClass = tmpField.getType();
+ }
+ catch (NoSuchFieldException e)
+ {
+ // We have a nested Field
+ try
+ {
+ return ValueObjectHelper.getNestedFieldType(ejbClass,name);
+ }
+ catch (NoSuchMethodException ne)
+ {
+ log.warn("Nested field "+fieldName+" does not have a get method on
"+ejbClass.getName());
+ return null;
+ }
+ }
+ }
+ return tmpField.getType();
+ }
+
+ /**
+ * Is used mainly for nested fields. Sets the value of a nested field.
+ */
+ public void set(Object instance, Object value)
+ {
+ Field tmpField = null;
+ String fieldName = null;
+ Object currentObject = instance;
+ Object oldObject;
+ StringTokenizer st = new StringTokenizer(name, ".");
+ //log.debug("set on cmp-field "+name+"="+value);
+ // First we instanciate nested objects if they do not already exist
+ int i=1;
+ int tot=st.countTokens();
+ while (st.hasMoreTokens() && (i < tot) )
+ {
+ i++;
+ fieldName = st.nextToken();
+ //log.debug("initialize "+fieldName+ " on "+currentObject.getClass());
+ oldObject = currentObject;
+ try
+ {
+ tmpField = currentObject.getClass().getField(fieldName);
+ currentObject = tmpField.get(currentObject);
+ // On our path, we have to instantiate every intermediate object
+ if (currentObject == null)
+ {
+ currentObject = tmpField.getType().newInstance();
+ tmpField.set(oldObject, currentObject);
+ }
+ }
+ catch (NoSuchFieldException ne)
+ {
+ try
+ {
+ currentObject = ValueObjectHelper.getValue(currentObject,fieldName);
+ if (currentObject == null)
+ {
+ currentObject =
ValueObjectHelper.getNestedFieldType(oldObject.getClass(),fieldName).newInstance();
+ ValueObjectHelper.setValue(oldObject,fieldName,currentObject);
+ }
+ }
+ catch (NoSuchMethodException e)
+ {
+ log.warn("set method not found for " + fieldName + " on " +
oldObject.getClass().getName());
+ }
+ catch (InvocationTargetException e)
+ {
+ log.warn("set method not invocable " + fieldName + " on " +
currentObject.getClass().getName());
+ }
+ catch (IllegalAccessException e)
+ {
+ log.warn("!!! Deployment Failure !!!" + e);
+ }
+ catch (InstantiationException e)
+ {
+ log.warn("could not instantiate " + tmpField);
+ }
+ }
+ catch (IllegalAccessException e)
+ {
+ log.warn("!!! Deployment Failure !!!" + e);
+ }
+ catch (InstantiationException e)
+ {
+ log.warn("could not instantiate " + tmpField);
+ }
+ catch (Exception e)
+ {
+ log.warn("Exception " + e);
+ }
+ }
+ //log.debug("initialization of nested objects done for "+name);
+ // Now we set the value of the last component into the created object
+ try
+ {
+ try
+ {
+ Field dataField =
currentObject.getClass().getField(getLastComponent(name));
+ dataField.set(currentObject, value);
+ }
+ catch (NoSuchFieldException nse)
+ {
+ //log.debug("set on "+getLastComponent(name)+ " on
"+currentObject.getClass()+ "="+value);
+ ValueObjectHelper.setValue(currentObject,getLastComponent(name),value);
+ }
+ }
+ catch (IllegalAccessException e)
+ {
+ log.warn("!!! Deployment Failure !!!" + e);
+ }
+ catch (InvocationTargetException e)
+ {
+ log.warn("set method not invocable " + getLastComponent(name) + " on " +
currentObject.getClass().getName());
+ }
+ catch (NoSuchMethodException e)
+ {
+ log.warn("set method not found for " + getLastComponent(name) + " on " +
currentObject.getClass().getName());
+ }
+ }
+
+ /**
+ * Returns the value of this field.
+ */
+ public Object getValue(Object instance)
+ {
+ String fieldName;
+ Object currentObject = instance;
+ Field currentField;
+ //Object currentValue = null;
+
+ try
+ {
+ if (!isNested())
+ {
+ return getField().get(instance);
+ }
+ else
+ {
+ StringTokenizer st = new StringTokenizer(name, ".");
+ while(st.hasMoreTokens())
+ {
+ fieldName = st.nextToken();
+ if (currentObject == null) return null;
+ try
+ {
+ currentField = currentObject.getClass().getField(fieldName);
+ currentObject = currentField.get(currentObject);
+ }
+ catch(NoSuchFieldException e)
+ {
+ currentField = null;
+ currentObject =
ValueObjectHelper.getValue(currentObject,fieldName);
+ }
+ }
+ return currentObject;
+ }
+ }
+ catch (IllegalAccessException e)
+ {
+ // We have already checked the presence of this field in the constructor,
+ // so there is no need to throw an exception here.
+ log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
+ }
+ catch (InvocationTargetException e)
+ {
+ log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
+ }
+ catch (NoSuchMethodException e)
+ {
+ log.warn("!!! CMPFieldMetaData.getValue() ERROR !!! " + e);
+ }
+ return null;
+ }
+
+ public boolean isNested()
+ {
+ return isNested;
+ }
+
+ // XmlLoadable implementation ------------------------------------
+ public void importXml(Element element) throws DeploymentException
+ {
+
+ // column name
+ String columnStr = getElementContent(getOptionalChild(element,
"column-name"));
+ // For Netsted Properties, we will have a column name blank which means
+ // the CMPField need to be removed. It will be reconstrcut and decompose
+ // by Jaws when needed
+ if (columnStr != null) columnName = columnStr;
+
+ // jdbc type
+ String jdbcStr = getElementContent(getOptionalChild(element, "jdbc-type"));
+
+ if (jdbcStr != null)
+ {
+ jdbcType = MappingMetaData.getJdbcTypeFromName(jdbcStr);
+ validJdbcType = true;
+
+ sqlType = getElementContent(getUniqueChild(element, "sql-type"));
+ }
+
+ }
+
+
+ // Package protected ---------------------------------------------
+ void setPrimary()
+ {
+ isAPrimaryKeyField = true;
+ }
+
+ // Protected -----------------------------------------------------
+
+ // Private -------------------------------------------------------
+
+ /**
+ * Workaround for certain Hotspot problems. Just traverse all the fields
+ * in the Class, so Hotspot won't optimize to bad ...
+ */
+ private void debugClass(Class debugClass)
+ {
+ Field[] fields = debugClass.getFields();
+ for (int i = 0; i < fields.length; ++i)
+ {
+ }
+ }
+
+ // Inner classes -------------------------------------------------
+}
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