/*
- * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ * Copyright (C) 2007-2012 Argeo GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
package org.argeo.slc.core.execution.xml;
import java.util.ArrayList;
import java.util.List;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import org.argeo.slc.SlcException;
import org.argeo.slc.core.execution.DefaultExecutionFlow;
import org.argeo.slc.execution.ExecutionFlow;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
+/** Interprets the <flow:flow> tag */
public class FlowBeanDefinitionParser extends
AbstractSingleBeanDefinitionParser {
- // private Log log = LogFactory.getLog(FlowBeanDefinitionParser.class);
+ private Log log = LogFactory.getLog(FlowBeanDefinitionParser.class);
+
+ /** Whether the user has already be warned on path attribute usage. */
+ private Boolean warnedAboutPathAttribute = false;
@SuppressWarnings("unchecked")
@Override
protected void doParse(Element element, ParserContext parserContext,
BeanDefinitionBuilder builder) {
String path = element.getAttribute("path");
- if (StringUtils.hasText(path))
+ if (StringUtils.hasText(path)) {
builder.addPropertyValue("path", path);
+ // warns user only once
+ if (!warnedAboutPathAttribute)
+ log.warn("The path=\"\" attribute is deprecated"
+ + " and will be removed in a later release."
+ + " Use <flow:flow name=\"/my/path/flowName\">.");
+ warnedAboutPathAttribute = true;
+ }
+
String spec = element.getAttribute("spec");
if (StringUtils.hasText(spec))
builder.getBeanDefinition().getConstructorArgumentValues()
builder.getBeanDefinition().setDescription(
DomUtils.getChildElementValueByTagName(element, "description"));
- List<Element> execElems = new ArrayList<Element>();
List<Element> argsElems = new ArrayList<Element>();
+ List<Element> execElems = new ArrayList<Element>();
+ List<Element> specElems = new ArrayList<Element>();
NodeList nodeList = element.getChildNodes();
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
if (node instanceof Element) {
if (DomUtils.nodeNameEquals(node, "arg"))
argsElems.add((Element) node);
+ else if (DomUtils.nodeNameEquals(node, "spec"))
+ specElems.add((Element) node);
else if (!DomUtils.nodeNameEquals(node, "description"))
execElems.add((Element) node);
}
.addGenericArgumentValue(args);
}
+ // Execution specs
+ if (StringUtils.hasText(spec) && specElems.size() != 0)
+ throw new SlcException("A flow cannot have multiple specs");
+ if (specElems.size() == 1) {
+ Object specObj = NamespaceUtils.parseBeanOrReference(
+ specElems.get(0), parserContext,
+ builder.getBeanDefinition());
+ builder.getBeanDefinition().getConstructorArgumentValues()
+ .addGenericArgumentValue(specObj);
+ } else if (specElems.size() > 1)
+ throw new SlcException("A flow cannot have multiple specs");
+
// Executables
if (execElems.size() != 0) {
ManagedList executables = new ManagedList(execElems.size());
} catch (ClassNotFoundException e) {
try {
return (Class<? extends ExecutionFlow>) Thread
- .currentThread().getContextClassLoader().loadClass(
- clss);
+ .currentThread().getContextClassLoader()
+ .loadClass(clss);
} catch (ClassNotFoundException e1) {
throw new SlcException("Cannot load class " + clss, e);
}