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INT-1383, polished code by introducing PayternMatchUtils

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This commit is contained in:
Oleg Zhurakousky
2010-08-28 13:36:23 +00:00
parent 1b4144f07f
commit dc3c93417d
1 changed files with 8 additions and 33 deletions
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41
spring-integration-xml/src/main/java/org/springframework/integration/xml/transformer/XsltPayloadTransformer.java
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@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.xml.transformer;
import java.io.IOException;
@@ -48,6 +47,7 @@ import org.springframework.integration.xml.result.ResultFactory;
import org.springframework.integration.xml.source.DomSourceFactory;
import org.springframework.integration.xml.source.SourceFactory;
import org.springframework.util.Assert;
import org.springframework.util.PatternMatchUtils;
import org.springframework.xml.transform.StringResult;
import org.springframework.xml.transform.StringSource;
import org.w3c.dom.Document;
@@ -79,10 +79,8 @@ import org.w3c.dom.Document;
public class XsltPayloadTransformer extends AbstractTransformer {
private final Log logger = LogFactory.getLog(this.getClass());
private final Map<String, Expression> expressionCache = new HashMap<String, Expression>();
private final Templates templates;
private final StandardEvaluationContext context = new StandardEvaluationContext();
private ExpressionParser spelParser = new SpelExpressionParser();
private Map<String, Expression> xslParameterMappings;
private final ResultTransformer resultTransformer;
@@ -208,9 +206,9 @@ public class XsltPayloadTransformer extends AbstractTransformer {
transformer.transform(source, domResult);
return (Document) domResult.getNode();
}
@SuppressWarnings("unchecked")
protected Transformer buildTransformer(Message<?> message) throws TransformerException {
//process individual mappings
Transformer transformer = this.templates.newTransformer();
context.setRootObject(message);
context.addPropertyAccessor(new MapAccessor());
@@ -226,36 +224,13 @@ public class XsltPayloadTransformer extends AbstractTransformer {
}
}
}
// process xslt-parameter-headers
MessageHeaders headers = message.getHeaders();
if (xsltParamHeaders != null){
for (String headerPattern : xsltParamHeaders) {
if (headerPattern.contains("*")){
Expression expression = expressionCache.get(headerPattern);
Map<String, Object> filteredHeaders = null;
if (expression == null){
if (headerPattern.startsWith("*")){
headerPattern = headerPattern.replace("*", "");
expression = spelParser.parseExpression("headers.?[key.endsWith('" + headerPattern + "')]");
} else if (headerPattern.endsWith("*")){
headerPattern = headerPattern.replace("*", "");
expression = spelParser.parseExpression("headers.?[key.startsWith('" + headerPattern + "')]");
} else {
throw new IllegalArgumentException("Can not match the following header name pattern '" + headerPattern + "'");
}
expressionCache.put(headerPattern, expression);
}
filteredHeaders = (Map<String, Object>)expression.getValue(context);
for (String headerName : filteredHeaders.keySet()) {
transformer.setParameter(headerName, filteredHeaders.get(headerName));
}
} else {
Object value = headers.get(headerPattern);
if (value != null){
transformer.setParameter(headerPattern, headers.get(headerPattern));
} else{
logger.warn("Header with the name '" + headerPattern + "' is not present in the current message and will not be mapped to XSLT parameter");
}
}
for (String headerName : headers.keySet()) {
if (PatternMatchUtils.simpleMatch(xsltParamHeaders, headerName)){
transformer.setParameter(headerName, headers.get(headerName));
}
}
}
return transformer;