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package com.sun.faces.config.configprovider;
import com.sun.faces.RIConstants;
import com.sun.faces.spi.ConfigurationResourceProvider;
import com.sun.faces.util.FacesLogger;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
/**
*
*/
public class WebAppFlowConfigResourceProvider implements
ConfigurationResourceProvider {
private static final Logger LOGGER = FacesLogger.CONFIG.getLogger();
// ------------------------------ Methods from ConfigurationResourceProvider
/**
* @see ConfigurationResourceProvider#getResources(javax.servlet.ServletContext)
*/
@Override
public Collection<URI> getResources(ServletContext context) {
List<URI> list = Collections.emptyList();
Set<String> allPaths = context.getResourcePaths("/");
if (null == allPaths) {
return list;
}
list = null;
for (String cur : allPaths) {
if (!cur.startsWith("/META-INF")) {
if (cur.equals("/WEB-INF/")) {
Set<String> webInfPaths = context.getResourcePaths(cur);
if (null != webInfPaths) {
for (String webInfCur : webInfPaths) {
if (!cur.equals("/WEB-INF/classes/") &&
webInfCur.endsWith("/")) {
list = inspectDirectory(context, webInfCur, list);
}
}
}
} else if (cur.endsWith("/")) {
list = inspectDirectory(context, cur, list);
}
}
}
return (null == list) ? Collections.EMPTY_LIST : list;
}
private List<URI> inspectDirectory(ServletContext context, String toInspect, List<URI> list) {
URL curUrl = null;
Set<String> allPaths = context.getResourcePaths(toInspect);
if (null == allPaths) {
return list;
}
for (String cur : allPaths) {
if (cur.endsWith(RIConstants.FLOW_DEFINITION_ID_SUFFIX)) {
int suffixIndex = cur.length() - RIConstants.FLOW_DEFINITION_ID_SUFFIX_LENGTH;
int slash = cur.lastIndexOf("/", suffixIndex);
if (-1 == slash) {
continue;
}
String flowName = cur.substring(slash + 1, suffixIndex);
int prevSlash = cur.lastIndexOf("/", slash - 1);
if (-1 == prevSlash) {
continue;
}
// Ensure cur matches the pattern <flowName>/<flowName>-flow.xml
String dirName = cur.substring(prevSlash + 1, slash);
if (dirName.equals(flowName)) {
if (null == list) {
list = new ArrayList<>();
}
try {
curUrl = context.getResource(cur);
list.add(curUrl.toURI());
} catch (MalformedURLException ex) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, "Unable to get resource for {0}" + cur, ex);
}
} catch (URISyntaxException use) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, "Unable to get URI for {0}" + curUrl.toExternalForm(), use);
}
}
}
}
}
return list;
}
}