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Commons Beanutils example source code file (TestResultSetMetaData.java)
The Commons Beanutils TestResultSetMetaData.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.beanutils; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Proxy; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Types; /** * <p>Mock object that implements enough of * <code>java.sql.ResultSetMetaData * to exercise the {@link ResultSetDynaClass} functionality.</p> * * @author Craig R. McClanahan * @version $Revision: 561644 $ $Date: 2007-08-01 05:31:50 +0100 (Wed, 01 Aug 2007) $ */ public class TestResultSetMetaData implements InvocationHandler { // ----------------------------------------------------- Instance Variables /** * <p>Array of column names and class names for metadata. */ protected String metadata[][] = { { "bigDecimalProperty", java.math.BigDecimal.class.getName() }, { "booleanProperty", Boolean.class.getName() }, { "byteProperty", Byte.class.getName() }, { "dateProperty", java.sql.Date.class.getName() }, { "doubleProperty", Double.class.getName() }, { "floatProperty", Float.class.getName() }, { "intProperty", Integer.class.getName() }, { "longProperty", Long.class.getName() }, { "nullProperty", String.class.getName() }, { "shortProperty", Short.class.getName() }, { "stringProperty", String.class.getName() }, { "timeProperty", java.sql.Time.class.getName() }, { "timestampProperty", java.sql.Timestamp.class.getName() }, }; /** * Factory method for creating {@link ResultSetMetaData} proxies. * * @return A result set meta data proxy */ public static ResultSetMetaData createProxy() { return TestResultSetMetaData.createProxy(new TestResultSetMetaData()); } /** * Factory method for creating {@link ResultSetMetaData} proxies. * @param invocationHandler Invocation Handler * @return A result set meta data proxy */ public static ResultSetMetaData createProxy(InvocationHandler invocationHandler) { ClassLoader classLoader = ResultSetMetaData.class.getClassLoader(); Class[] interfaces = new Class[] { ResultSetMetaData.class }; return (ResultSetMetaData)Proxy.newProxyInstance(classLoader, interfaces, invocationHandler); } /** * Handles method invocation on the {@link ResultSetMetaData} proxy. * * @param proxy The proxy ResultSet object * @param method the method being invoked * @param args The method arguments * @return The result of invoking the method. * @throws Throwable if an error occurs. */ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String methodName = method.getName(); if ("getColumnClassName".equals(methodName)) { return getColumnClassName(((Integer)args[0]).intValue()); } if ("getColumnCount".equals(methodName)) { return new Integer(getColumnCount()); } if ("getColumnName".equals(methodName)) { return getColumnName(((Integer)args[0]).intValue()); } if ("getColumnType".equals(methodName)) { return getColumnType(((Integer)args[0]).intValue()); } throw new UnsupportedOperationException(methodName + " not implemented"); } // ---------------------------------------------------- Implemented Methods public String getColumnClassName(int columnIndex) throws SQLException { return (metadata[columnIndex - 1][1]); } public int getColumnCount() throws SQLException { return (metadata.length); } public String getColumnName(int columnIndex) throws SQLException { return (metadata[columnIndex - 1][0]); } public Integer getColumnType(int columnIndex) throws SQLException { String columnName = getColumnName(columnIndex); int sqlType = Types.OTHER; if (columnName.equals("bigDecimalProperty")) { sqlType = Types.DECIMAL; // Types.BOOLEAN only introduced in JDK 1.4 // } else if (columnName.equals("booleanProperty")) { // sqlType = Types.BOOLEAN; } else if (columnName.equals("byteProperty")) { sqlType = Types.TINYINT; } else if (columnName.equals("dateProperty")) { sqlType = Types.DATE; } else if (columnName.equals("doubleProperty")) { sqlType = Types.DOUBLE; } else if (columnName.equals("floatProperty")) { sqlType = Types.FLOAT; } else if (columnName.equals("intProperty")) { sqlType = Types.INTEGER; } else if (columnName.equals("longProperty")) { sqlType = Types.BIGINT; } else if (columnName.equals("nullProperty")) { sqlType = Types.VARCHAR; } else if (columnName.equals("shortProperty")) { sqlType = Types.SMALLINT; } else if (columnName.equals("stringProperty")) { sqlType = Types.VARCHAR; } else if (columnName.equals("timeProperty")) { sqlType = Types.TIME; } else if (columnName.equals("timestampProperty")) { sqlType = Types.TIMESTAMP; } else { sqlType = Types.OTHER; } return new Integer(sqlType); } // -------------------------------------------------- Unimplemented Methods public String getCatalogName(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public int getColumnDisplaySize(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public String getColumnLabel(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public String getColumnTypeName(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public int getPrecision(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public int getScale(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public String getSchemaName(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public String getTableName(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isAutoIncrement(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isCaseSensitive(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isCurrency(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isDefinitelyWritable(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public int isNullable(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isReadOnly(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isSearchable(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isSigned(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } public boolean isWritable(int columnIndex) throws SQLException { throw new UnsupportedOperationException(); } } Other Commons Beanutils examples (source code examples)Here is a short list of links related to this Commons Beanutils TestResultSetMetaData.java source code file: |
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