Revision 2080 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.lib/src/main/java/org/gvsig/tools/dataTypes/impl/coercion/CoerceToFile.java
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import java.io.File; |
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import java.net.URI; |
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import java.net.URL; |
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import org.gvsig.tools.dataTypes.AbstractCoercion; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager.Coercion;
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import org.gvsig.tools.dataTypes.CoercionContext;
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public class CoerceToFile extends AbstractCoercion {
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public class CoerceToFile implements Coercion {
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@Override |
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public Object coerce(Object value, CoercionContext context) throws CoercionException {
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if (value == null || value instanceof File) {
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return value; |
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} |
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if (value instanceof CharSequence ) {
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String s = value.toString(); |
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if (s == null || s.trim().isEmpty()) {
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return null; |
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} |
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return new File((String)s); |
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} |
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if (value instanceof URL) {
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return new File(((URL) value).getPath()); |
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} |
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if (value instanceof URI) {
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return new File((URI) value); |
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} |
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String s = value.toString(); |
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if (s == null || s.trim().isEmpty()) {
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return null; |
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} |
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throw new CoercionException(); |
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} |
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public Object coerce(Object value) throws CoercionException {
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if( value==null ) {
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return null; |
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} |
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if( ! (value instanceof File) ) {
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if( value instanceof String ) {
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if(((String)value).isEmpty() ) {
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return null; |
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} |
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value = new File((String) value); |
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} else if( value instanceof URI ) {
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value = new File((URI) value); |
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} else {
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String s = value.toString(); |
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if( s == null ) {
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return null; |
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} |
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s = s.trim().toLowerCase(); |
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if( s.isEmpty() ) {
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return null; |
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} |
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throw new CoercionException(); |
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} |
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} |
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return value; |
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} |
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} |
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