gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dataTypes / impl / DefaultDataTypesManager.java @ 130
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package org.gvsig.tools.dataTypes.impl; |
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import java.io.File; |
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import java.util.Date; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypes; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToBoolean; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToByte; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToDate; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToDouble; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToFile; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToFloat; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToInt; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToLong; |
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import org.gvsig.tools.dataTypes.impl.coercion.CoerceToString; |
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import org.gvsig.tools.dynobject.DynObject; |
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public class DefaultDataTypesManager implements DataTypesManager { |
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public void addtype(int type, String subtype, String name, Class defaultClass, Coercion coercion) { |
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if( (type & DataTypes.OBJECT) != DataTypes.OBJECT ) {
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throw new IllegalArgumentException(); |
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} |
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if( name == null || TYPE_NAMES[type] != null ) { |
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throw new IllegalArgumentException(); |
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} |
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SUBTYPES[type]=subtype; |
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TYPE_NAMES[type]=name; |
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DEFAULT_CLASSES[type]=defaultClass; |
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COERCION[type]=coercion; |
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} |
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public boolean isValidType(int type) { |
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return type>0 && type < 0x41 && TYPE_NAMES[type] != null; |
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} |
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public boolean isObject(int type) { |
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return (type & DataTypes.OBJECT) == DataTypes.OBJECT;
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} |
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public boolean isContainer(int type) { |
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return (type & DataTypes.CONTAINER) == DataTypes.CONTAINER;
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} |
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public String getTypeName(int type) { |
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if( type<1 || type>0x40 ) { |
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return "unknow"; |
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} |
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String name = TYPE_NAMES[type];
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if( name==null ) { |
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return "unknow"; |
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} |
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return name;
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} |
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public int getType(String name) { |
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if( name != null ) { |
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for( int i=0; i<TYPE_NAMES.length; i++ ) { |
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if( name.equalsIgnoreCase(TYPE_NAMES[i]) ) {
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return i;
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} |
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} |
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} |
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return DataTypes.INVALID;
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} |
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public Class getDefaultClass(int type) { |
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if( type<1 || type>0x40 ) { |
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return null; |
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} |
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return DEFAULT_CLASSES[type];
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} |
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public String getSubtype(int type) { |
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if( type<1 || type>0x40 ) { |
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return null; |
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} |
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return SUBTYPES[type];
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} |
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public Coercion getCoercion(int type) { |
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// http://en.wikipedia.org/wiki/Type_conversion#Implicit_type_conversion
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return COERCION[type];
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} |
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public void setCoercion(int type, Coercion coercion) { |
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if( (type & DataTypes.OBJECT) != DataTypes.OBJECT ) {
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throw new IllegalArgumentException(); |
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} |
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COERCION[type]=coercion; |
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} |
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public Object coerce(int type, Object value) throws CoercionException { |
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Coercion coercion = this.getCoercion(type);
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if( coercion != null ) { |
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return coercion.coerce(value);
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} |
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Class defaultClass = this.getDefaultClass(type); |
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if( defaultClass == null ) { |
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return value; // ?? |
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} |
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if( defaultClass.isInstance(value) ) {
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return value;
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} |
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throw new CoercionException(); |
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} |
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private static final String[] SUBTYPES = new String[] { |
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/* 0x00 */ null, |
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/* 0x01 */ null, |
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/* 0x02 */ null, |
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/* 0x03 */ null, |
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/* 0x04 */ null, |
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/* 0x05 */ null, |
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/* 0x06 */ null, |
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/* 0x07 */ null, |
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/* 0x08 */ null, |
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/* 0x09 */ DataTypes.SUBTYPE_DATE,
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/* 0x0a */ DataTypes.SUBTYPE_DATE,
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/* 0x0b */ DataTypes.SUBTYPE_DATE,
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/* 0x0c */ null, |
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/* 0x0d */ null, |
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/* 0x0e */ null, |
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/* 0x0f */ null, |
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/* 0x14 */ null, |
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/* 0x11 */ null, |
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/* 0x12 */ null, |
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/* 0x13 */ null, |
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/* 0x14 */ null, |
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/* 0x15 */ null, |
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/* 0x16 */ null, |
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/* 0x17 */ null, |
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/* 0x18 */ null, |
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/* 0x19 */ null, |
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/* 0x1a */ null, |
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/* 0x1b */ null, |
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/* 0x1c */ null, |
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/* 0x1d */ DataTypes.SUBTYPE_FILE,
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/* 0x1e */ DataTypes.SUBTYPE_FOLDER,
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/* 0x1f */ null, |
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/* 0x20 */ null, |
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/* 0x21 */ null, |
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/* 0x22 */ null, |
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/* 0x23 */ null, |
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/* 0x24 */ null, |
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/* 0x25 */ null, |
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/* 0x26 */ null, |
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/* 0x27 */ null, |
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/* 0x28 */ null, |
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/* 0x29 */ null, |
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/* 0x30 */ null, |
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/* 0x31 */ null, |
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/* 0x32 */ null, |
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/* 0x33 */ null, |
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/* 0x34 */ null, |
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/* 0x35 */ null, |
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/* 0x36 */ null, |
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/* 0x37 */ null, |
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/* 0x38 */ null, |
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/* 0x39 */ null, |
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/* 0x40 */ null, |
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}; |
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private static final String[] TYPE_NAMES = new String[] { |
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/* 0x00 */ null, |
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/* 0x01 */ "Boolean", |
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/* 0x02 */ "Byte", |
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/* 0x03 */ "Char", |
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/* 0x04 */ "Integer", |
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/* 0x05 */ "Long", |
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/* 0x06 */ "Float", |
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/* 0x07 */ "Double", |
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/* 0x08 */ "String", |
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/* 0x09 */ "Date", |
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/* 0x0a */ "Time", |
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/* 0x0b */ "Timestamp", |
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/* 0x0c */ "ByteArray", |
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/* 0x0d */ "File", |
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/* 0x0e */ "Folder", |
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/* 0x0f */ null, |
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/* 0x14 */ null, |
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/* 0x11 */ "Array", |
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/* 0x12 */ "List", |
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/* 0x13 */ "Set", |
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/* 0x14 */ "Map", |
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/* 0x15 */ "DynObject", |
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/* 0x16 */ null, |
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/* 0x17 */ null, |
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/* 0x18 */ null, |
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/* 0x19 */ null, |
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/* 0x1a */ null, |
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/* 0x1b */ null, |
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/* 0x1c */ null, |
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/* 0x1d */ null, |
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/* 0x1e */ null, |
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/* 0x1f */ null, |
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/* 0x20 */ "Object", |
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/* 0x21 */ null, |
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/* 0x22 */ null, |
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/* 0x23 */ null, |
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/* 0x24 */ null, |
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/* 0x25 */ null, |
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/* 0x26 */ null, |
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/* 0x27 */ null, |
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/* 0x28 */ null, |
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/* 0x29 */ null, |
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/* 0x30 */ null, |
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/* 0x31 */ null, |
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/* 0x32 */ null, |
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/* 0x33 */ null, |
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/* 0x34 */ null, |
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/* 0x35 */ null, |
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/* 0x36 */ null, |
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/* 0x37 */ null, |
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/* 0x38 */ null, |
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/* 0x39 */ null, |
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/* 0x40 */ null, |
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}; |
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private static final Class[] DEFAULT_CLASSES = new Class[] { |
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/* 0x00 */ null, |
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/* 0x01 */ Boolean.class, |
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/* 0x02 */ Byte.class, |
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/* 0x03 */ Character.class, |
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/* 0x04 */ Integer.class, |
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/* 0x05 */ Long.class, |
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/* 0x06 */ Float.class, |
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/* 0x07 */ Double.class, |
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/* 0x08 */ String.class, |
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/* 0x09 */ Date.class, |
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/* 0x0a */ Date.class, |
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/* 0x0b */ Date.class, |
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/* 0x0c */ new byte[] {}.getClass(), |
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/* 0x0d */ File.class, |
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/* 0x0e */ File.class, |
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/* 0x0f */ null, |
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/* 0x10 */ null, |
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/* 0x11 */ new Object[] {}.getClass(), |
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/* 0x12 */ List.class, |
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/* 0x13 */ Set.class, |
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/* 0x14 */ Map.class, |
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/* 0x15 */ DynObject.class,
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/* 0x16 */ null, |
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/* 0x17 */ null, |
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/* 0x18 */ null, |
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/* 0x19 */ null, |
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/* 0x1a */ null, |
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/* 0x1b */ null, |
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/* 0x1c */ null, |
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/* 0x1d */ null, |
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/* 0x1e */ null, |
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/* 0x1f */ null, |
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/* 0x20 */ Object.class, |
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/* 0x21 */ null, |
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/* 0x22 */ null, |
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/* 0x23 */ null, |
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/* 0x24 */ null, |
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/* 0x25 */ null, |
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/* 0x26 */ null, |
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/* 0x27 */ null, |
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/* 0x28 */ null, |
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/* 0x29 */ null, |
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/* 0x30 */ null, |
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/* 0x31 */ null, |
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/* 0x32 */ null, |
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/* 0x33 */ null, |
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/* 0x34 */ null, |
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/* 0x35 */ null, |
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/* 0x36 */ null, |
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/* 0x37 */ null, |
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/* 0x38 */ null, |
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/* 0x39 */ null, |
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/* 0x40 */ null, |
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}; |
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private static final Coercion[] COERCION = new Coercion[] { |
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/* 0x00 */ null, |
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/* 0x01 */ new CoerceToBoolean(), |
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/* 0x02 */ new CoerceToByte(), |
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/* 0x03 */ new CoerceToString(), |
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/* 0x04 */ new CoerceToInt(), |
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/* 0x05 */ new CoerceToLong(), |
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/* 0x06 */ new CoerceToFloat(), |
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/* 0x07 */ new CoerceToDouble(), |
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/* 0x08 */ new CoerceToString(), |
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/* 0x09 */ new CoerceToDate(), |
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/* 0x0a */ new CoerceToDate(), |
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/* 0x0b */ new CoerceToDate(), |
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/* 0x0c */ null, |
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/* 0x0d */ new CoerceToFile(), |
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/* 0x0e */ new CoerceToFile(), |
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/* 0x0f */ null, |
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/* 0x10 */ null, |
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/* 0x11 */ null, |
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/* 0x12 */ null, |
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/* 0x13 */ null, |
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/* 0x14 */ null, |
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/* 0x15 */ null, |
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/* 0x16 */ null, |
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/* 0x17 */ null, |
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/* 0x18 */ null, |
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/* 0x19 */ null, |
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/* 0x1a */ null, |
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/* 0x1b */ null, |
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/* 0x1c */ null, |
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/* 0x1d */ null, |
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/* 0x1e */ null, |
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/* 0x1f */ null, |
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/* 0x20 */ null, |
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/* 0x21 */ null, |
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/* 0x22 */ null, |
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/* 0x23 */ null, |
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/* 0x24 */ null, |
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/* 0x25 */ null, |
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/* 0x26 */ null, |
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/* 0x27 */ null, |
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/* 0x28 */ null, |
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/* 0x29 */ null, |
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/* 0x30 */ null, |
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/* 0x31 */ null, |
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/* 0x32 */ null, |
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/* 0x33 */ null, |
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/* 0x34 */ null, |
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/* 0x35 */ null, |
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/* 0x36 */ null, |
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/* 0x37 */ null, |
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/* 0x38 */ null, |
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/* 0x39 */ null, |
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/* 0x40 */ null, |
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}; |
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} |