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/**
*
* Copyright 2005 BEA Systems Inc.
* Copyright 2005 International Business Machines Corporation
*
* Licensed 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.tuscany.sdo.impl;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.TimeZone;
import javax.xml.namespace.QName;
import org.osoa.sdo.Type;
/**
* @version $Rev$ $Date$
*/
abstract class DataTypeImpl<T> extends TypeImpl<T> {
public static final Type<Boolean> BOOLEAN = new BooleanDataType(Type.BOOLEAN, Boolean.TYPE);
public static final Type<Boolean> BOOLEAN_OBJECT = new BooleanDataType(Type.BOOLEAN_OBJECT, Boolean.class);
public static final Type<Character> CHARACTER = new CharacterDataType(Type.CHARACTER, Character.TYPE);
public static final Type<Character> CHARACTER_OBJECT = new CharacterDataType(Type.CHARACTER_OBJECT, Character.class);
private static class BooleanDataType extends DataTypeImpl {
public BooleanDataType(QName name, Class<?> instanceClass) {
super(name, instanceClass);
}
public Boolean fromString(String s) {
return Boolean.valueOf(s);
}
}
private static class CharacterDataType extends DataTypeImpl {
public CharacterDataType(QName name, Class<?> instanceClass) {
super(name, instanceClass);
}
public Character fromString(String s) {
return s.charAt(0);
}
}
public static final Type<Byte> BYTE = new DataTypeImpl<Byte>(Type.BYTE, byte.class) {
public Byte fromString(String s) {
return Byte.valueOf(s);
}
};
public static final Type<byte[]> BYTES = new DataTypeImpl<byte[]>(Type.BYTES, byte[].class) {
public byte[] fromString(String s) {
byte[] value = new byte[s.length() >> 1];
for (int i = 0; i < value.length; i++) {
value[i] = (byte) (Character.digit(s.charAt(i << 1), 16) << 4 | Character.digit(s.charAt((i << 1) + 1), 16));
}
return value;
}
public String toString(byte[] value) {
StringBuilder buf = new StringBuilder(value.length << 1);
for (byte b : value) {
buf.append(HEX[b >>> 4]);
buf.append(HEX[b & 0xf]);
}
return buf.toString();
}
};
public static final Type<Date> DATE = new DataTypeImpl<Date>(Type.DATE, Date.class) {
public Date fromString(String s) {
try {
DateFormat f = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSSz");
f.setTimeZone(TimeZone.getTimeZone("GMT"));
return f.parse(s);
} catch (ParseException e) {
throw (IllegalArgumentException) new IllegalArgumentException().initCause(e);
}
}
public String toString(Date value) {
DateFormat f = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSSz");
f.setTimeZone(TimeZone.getTimeZone("GMT"));
return f.format(value);
}
};
public static final Type<Double> DOUBLE = new DataTypeImpl<Double>(Type.DOUBLE, double.class) {
public Double fromString(String s) {
return Double.valueOf(s);
}
};
public static final Type<Float> FLOAT = new DataTypeImpl<Float>(Type.FLOAT, float.class) {
public Float fromString(String s) {
return Float.valueOf(s);
}
};
public static final Type<Integer> INT = new DataTypeImpl<Integer>(Type.INT, int.class) {
public Integer fromString(String s) {
return Integer.valueOf(s);
}
};
public static final Type<Long> LONG = new DataTypeImpl<Long>(Type.LONG, long.class) {
public Long fromString(String s) {
return Long.valueOf(s);
}
};
public static final Type<Short> SHORT = new DataTypeImpl<Short>(Type.SHORT, short.class) {
public Short fromString(String s) {
return Short.valueOf(s);
}
};
public static final Type<String> STRING = new DataTypeImpl<String>(Type.STRING, String.class) {
public String fromString(String s) {
return s;
}
};
public DataTypeImpl(QName name, Class<T> instanceClass) {
super(name, instanceClass, Collections.EMPTY_LIST, new POJOInstanceFactory<T>(instanceClass));
}
public boolean isDataType() {
return true;
}
public abstract T fromString(String s);
public String toString(T value) {
return String.valueOf(value);
}
private static final char[] HEX = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
}
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