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package org.eclipse.wst.web.internal.facet;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.common.project.facet.core.IProjectFacet;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
import org.eclipse.wst.common.project.facet.core.runtime.IRuntimeComponentType;
import org.eclipse.wst.common.project.facet.core.runtime.IRuntimeComponentVersion;
import org.eclipse.wst.common.project.facet.core.runtime.RuntimeManager;
import org.eclipse.wst.web.internal.WSTWebPlugin;
public class RuntimePresetMappingRegistry {
static final String EXTENSION_POINT = "runtimePresetMappings"; //$NON-NLS-1$
static final String ELEMENT_MAPPING = "mapping"; //$NON-NLS-1$
static final String ATTRIBUTE_ID = "id"; //$NON-NLS-1$
static final String ATTRIBUTE_FACET_RUNTIME_TYPE_ID = "facetRuntimeTypeID"; //$NON-NLS-1$
static final String ATTRIBUTE_FACET_RUNTIME_VERSION = "facetRuntimeVersion"; //$NON-NLS-1$
static final String ATTRIBUTE_FACET_ID = "facetID"; //$NON-NLS-1$
static final String ATTRIBUTE_FACET_VERSION = "facetVersion"; //$NON-NLS-1$
static final String ATTRIBUTE_PRESET_ID = "presetID"; //$NON-NLS-1$
public static RuntimePresetMappingRegistry INSTANCE = new RuntimePresetMappingRegistry();
private List<MappingDescriptor> descriptors = null;
public String getPresetID(String facetRuntimeTypeID,
String facetRuntimeVersion, String facetID, String facetVersion) {
if (descriptors == null) {
readDescriptors();
}
for (MappingDescriptor descriptor : descriptors) {
if(matches(facetRuntimeTypeID, descriptor.getFacetRuntimeTypeID()) &&
matches(facetRuntimeVersion, descriptor.getFacetRuntimeVersion()) &&
matches(facetID, descriptor.getFacetID()) &&
matches(facetVersion, descriptor.getFacetVersion())){
return descriptor.getPresetID();
}
}
return null;
}
/**
* Returns true if the value is matched by the pattern The pattern consists
* of a common deliminated list of simple patterns Each simple pattern has
* an optional starting or ending * so a String.startsWith() or
* String.endsWith(). Both may be combined to compute a String.indexOf() !=
* -1
*
* @param value
* @param pattern
* @return
*/
private static boolean matches(String value, String pattern){
StringTokenizer strTok = new StringTokenizer(pattern, ","); //$NON-NLS-1$
while(strTok.hasMoreTokens()){
String simplePattern = strTok.nextToken().trim();
if(simplePattern.startsWith("*")){ //$NON-NLS-1$
if(simplePattern.length() < 2){
return true; // i.e. *
}
if(simplePattern.endsWith("*")){ //$NON-NLS-1$
if(simplePattern.length() < 3){
return true; // i.e. **
}
if(value.indexOf(simplePattern.substring(1, simplePattern.length()-2)) != -1){
return true;
}
} else {
if(value.endsWith(simplePattern.substring(1))){
return true;
}
}
} else if(simplePattern.endsWith("*")){ //$NON-NLS-1$
if(value.startsWith(simplePattern.substring(0, simplePattern.length()-2))){
return true;
}
} else if(value.equals(simplePattern)){
return true;
}
}
return false;
}
private static List <String> getStaticTokens(String pattern){
List <String> staticTokens = new ArrayList <String> ();
StringTokenizer strTok = new StringTokenizer(pattern, ","); //$NON-NLS-1$
while(strTok.hasMoreTokens()){
String simplePattern = strTok.nextToken().trim();
if(!simplePattern.startsWith("*") && !simplePattern.endsWith("*")){ //$NON-NLS-1$ //$NON-NLS-2$
staticTokens.add(simplePattern);
}
}
return staticTokens;
}
private void readDescriptors() {
descriptors = new ArrayList<MappingDescriptor>();
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(WSTWebPlugin.PLUGIN_ID, EXTENSION_POINT);
if (point == null)
return;
IConfigurationElement[] elements = point.getConfigurationElements();
for (int i = 0; i < elements.length; i++) {
IConfigurationElement element = elements[i];
if (ELEMENT_MAPPING.equals(element.getName())) {
String id = element.getAttribute(ATTRIBUTE_ID);
if (null == id || id.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_ID); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
String runtimeID = element.getAttribute(ATTRIBUTE_FACET_RUNTIME_TYPE_ID);
if (null == runtimeID || runtimeID.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_RUNTIME_TYPE_ID); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
List <String> staticRuntimeIDs = getStaticTokens(runtimeID);
List <IRuntimeComponentType> staticRuntimeTypes = new ArrayList<IRuntimeComponentType>();
for(String staticRuntimeID : staticRuntimeIDs){
try {
IRuntimeComponentType runtimeType = RuntimeManager.getRuntimeComponentType(staticRuntimeID);
if(runtimeType != null){
staticRuntimeTypes.add(runtimeType);
}
} catch (IllegalArgumentException e) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_RUNTIME_TYPE_ID + ": " + runtimeID +" unable to resolve runtime: "+staticRuntimeID, e); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
}
}
String runtimeVersionStr = element.getAttribute(ATTRIBUTE_FACET_RUNTIME_VERSION);
if (null == runtimeVersionStr || runtimeVersionStr.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_RUNTIME_VERSION); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
if(!staticRuntimeTypes.isEmpty()){
List <String> staticRuntimeVersions = getStaticTokens(runtimeVersionStr);
for(String staticVersion : staticRuntimeVersions){
boolean foundVersion = false;
for(int k=0;k<staticRuntimeTypes.size() && !foundVersion;k++){
IRuntimeComponentType runtimeType = staticRuntimeTypes.get(k);
try {
runtimeType.getVersion(staticVersion);
foundVersion = true;
} catch (IllegalArgumentException e) {
//eat it
}
}
if(!foundVersion){
StringBuffer validVersions = new StringBuffer(" valid versions include: "); //$NON-NLS-1$
for(IRuntimeComponentType runtimeType : staticRuntimeTypes) {
validVersions.append("\n"); //$NON-NLS-1$
validVersions.append(runtimeType.getId());
validVersions.append(": "); //$NON-NLS-1$
for (Iterator<IRuntimeComponentVersion> iterator = runtimeType.getVersions().iterator(); iterator.hasNext();) {
validVersions.append(iterator.next().getVersionString());
if (iterator.hasNext()) {
validVersions.append(" "); //$NON-NLS-1$
}
}
}
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_RUNTIME_VERSION + ": " + staticVersion //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
+ validVersions);
}
}
}
String facetID = element.getAttribute(ATTRIBUTE_FACET_ID);
if (null == facetID || facetID.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_ID); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
List <String> staticFacetIDs = getStaticTokens(facetID);
List <IProjectFacet> staticFacets = new ArrayList <IProjectFacet>();
for(String staticFacetID:staticFacetIDs){
try {
IProjectFacet facet = ProjectFacetsManager.getProjectFacet(staticFacetID);
if(null != facet){
staticFacets.add(facet);
}
} catch (IllegalArgumentException e) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_ID + ": " + staticFacetID, e); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
}
String facetVersionStr = element.getAttribute(ATTRIBUTE_FACET_VERSION);
if (null == facetVersionStr || facetVersionStr.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_VERSION); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
List <String>staticFacetVersionStrs = getStaticTokens(facetVersionStr);
if(!staticFacets.isEmpty() && !staticFacetVersionStrs.isEmpty()){
for(String staticFacetVersion:staticFacetVersionStrs){
boolean foundFacetVersion = false;
for(int k=0;k< staticFacets.size() && !foundFacetVersion; k++) {
IProjectFacet staticFacet = staticFacets.get(k);
try {
IProjectFacetVersion staticVersion = staticFacet.getVersion(staticFacetVersion);
if(staticVersion != null){
foundFacetVersion = true;
}
} catch (IllegalArgumentException e) {
//eat it
}
}
if(!foundFacetVersion){
StringBuffer validVersions = new StringBuffer(" valid versions include: "); //$NON-NLS-1$
for(IProjectFacet staticFacet:staticFacets){
validVersions.append("\n"); //$NON-NLS-1$
validVersions.append(staticFacet.getId());
validVersions.append(": "); //$NON-NLS-1$
for (Iterator<IProjectFacetVersion> iterator = staticFacet.getVersions().iterator(); iterator.hasNext();) {
validVersions.append(iterator.next().getVersionString());
if (iterator.hasNext()) {
validVersions.append(" "); //$NON-NLS-1$
}
}
}
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_VERSION + ": " + staticFacetVersion //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
+ validVersions);
continue;
}
}
}
String presetID = element.getAttribute(ATTRIBUTE_PRESET_ID);
if (null == presetID || presetID.trim().length() == 0) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_PRESET_ID); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
try {
ProjectFacetsManager.getPreset(presetID);
} catch (IllegalArgumentException e) {
WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_PRESET_ID + ": " + presetID, e); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
continue;
}
MappingDescriptor descriptor = new MappingDescriptor(element);
descriptors.add(descriptor);
} else {
WSTWebPlugin.logError("Elements must be named: " + ELEMENT_MAPPING + " within the extension: " + EXTENSION_POINT); //$NON-NLS-1$ //$NON-NLS-2$
WSTWebPlugin.logError("Element: " + element.getName() + " is invalid within the extension: " + EXTENSION_POINT); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
}
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