61 lines
2.9 KiB
Java
61 lines
2.9 KiB
Java
package org.apache.beehive.controls.system.jdbc;
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import org.apache.beehive.controls.api.context.ControlBeanContext;
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import java.lang.reflect.Method;
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import java.lang.reflect.ParameterizedType;
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import java.lang.reflect.Type;
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import java.sql.ResultSet;
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import java.util.*;
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/**
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* Refer to org.apache.beehive.controls.system.jdbc.ResultSetMapper for how this class operates
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*/
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public class NewDefaultObjectResultSetMapper extends com.moparisthebest.jdbc.CaseInsensitiveMapResultSetMapper implements org.apache.beehive.controls.system.jdbc.ResultSetMapper {
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public NewDefaultObjectResultSetMapper() {
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super(1024);
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}
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/**
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* Map the ResultSet to the method's return type. The object type returned is defined by the return type of the method.
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*
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* @param context A ControlBeanContext instance, see Beehive controls javadoc for additional information
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* @param m Method assoicated with this call.
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* @param rs Result set to map.
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* @param cal A Calendar instance for time/date value resolution.
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* @return The Object resulting from the ResultSet
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*/
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@SuppressWarnings({"unchecked"})
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public Object mapToResultType(ControlBeanContext context, Method m, ResultSet rs, Calendar cal) {
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final Class returnType = m.getReturnType();
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if (returnType.isArray()) {
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return toArray(rs, returnType.getComponentType(), context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal);
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} else if (Collection.class.isAssignableFrom(returnType)) {
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return toCollection(rs, returnType, (Class) getActualTypeArguments(m)[0], context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal);
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} else if (Map.class.isAssignableFrom(returnType)) {
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Type[] types = getActualTypeArguments(m);
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if (types[1] instanceof ParameterizedType) { // for collectionMaps
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ParameterizedType pt = (ParameterizedType) types[1];
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Class collectionType = (Class) pt.getRawType();
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if (Collection.class.isAssignableFrom(collectionType))
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return toMapCollection(rs, returnType, (Class) types[0], collectionType, (Class) pt.getActualTypeArguments()[0], context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal);
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}
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return toMap(rs, returnType, (Class) types[0], (Class) types[1], context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal);
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} else if (Iterator.class.isAssignableFrom(returnType)) {
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return ListIterator.class.isAssignableFrom(returnType) ?
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toListIterator(rs, (Class) getActualTypeArguments(m)[0], context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal) :
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toIterator(rs, (Class) getActualTypeArguments(m)[0], context.getMethodPropertySet(m, JdbcControl.SQL.class).arrayMaxLength(), cal);
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} else {
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return toObject(rs, returnType, cal);
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}
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}
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private static Type[] getActualTypeArguments(Method m) {
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return ((ParameterizedType) m.getGenericReturnType()).getActualTypeArguments();
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}
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public boolean canCloseResultSet() {
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return true;
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}
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}
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