Revision 966 org.gvsig.projection/trunk/org.gvsig.projection.api/src/main/java/org/cresques/coerce/CoerceToString.java
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package org.cresques.coerce; |
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import org.cresques.cts.IProjection; |
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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.Coercion; |
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import org.gvsig.tools.dataTypes.CoercionContext; |
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/** |
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* Convert a Projection to String. |
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* @version $Id$ |
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* |
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*/ |
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public class CoerceToString implements Coercion {
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public class CoerceToString extends AbstractCoercion {
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Coercion previous = null; |
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public CoerceToString() {
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// Do nothing |
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} |
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public CoerceToString(Coercion previous) {
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this.previous = previous; |
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} |
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public Object coerce(Object value) throws CoercionException {
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public Object coerce(Object value, CoercionContext context) throws CoercionException {
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if( value == null || value instanceof String ) {
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return value; |
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} |
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try {
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if( value == null || value instanceof String ) {
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return value; |
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} |
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if( value instanceof IProjection ) {
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return ((IProjection)value).getFullCode(); |
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} |
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if( previous != null ) {
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return previous.coerce(value); |
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} |
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} catch (Exception e) {
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throw new CoercionException(e); |
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} |
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