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*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
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package com.sun.jersey.server.impl.model;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.model.AbstractImplicitViewMethod;
import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.api.model.AbstractSubResourceLocator;
import com.sun.jersey.api.model.AbstractSubResourceMethod;
import com.sun.jersey.api.uri.UriPattern;
import com.sun.jersey.server.impl.model.method.ResourceHeadWrapperMethod;
import com.sun.jersey.server.impl.model.method.ResourceHttpMethod;
import com.sun.jersey.server.impl.model.method.ResourceHttpOptionsMethod;
import com.sun.jersey.server.impl.model.method.ResourceMethod;
import com.sun.jersey.server.impl.uri.rules.HttpMethodRule;
import com.sun.jersey.server.impl.uri.rules.SubLocatorRule;
import com.sun.jersey.server.impl.uri.PathPattern;
import com.sun.jersey.server.impl.uri.PathTemplate;
import com.sun.jersey.api.uri.UriTemplate;
import com.sun.jersey.api.view.ImplicitProduces;
import com.sun.jersey.core.header.MediaTypes;
import com.sun.jersey.core.header.QualitySourceMediaType;
import com.sun.jersey.core.spi.component.ComponentInjector;
import com.sun.jersey.server.impl.application.ResourceMethodDispatcherFactory;
import com.sun.jersey.server.impl.template.ViewableRule;
import com.sun.jersey.server.impl.uri.rules.CombiningMatchingPatterns;
import com.sun.jersey.server.impl.uri.rules.PatternRulePair;
import com.sun.jersey.server.impl.uri.rules.RightHandPathRule;
import com.sun.jersey.server.impl.uri.rules.SequentialMatchingPatterns;
import com.sun.jersey.server.impl.uri.rules.TerminatingRule;
import com.sun.jersey.server.impl.uri.rules.UriRulesFactory;
import com.sun.jersey.server.impl.wadl.WadlFactory;
import com.sun.jersey.server.impl.inject.ServerInjectableProviderContext;
import com.sun.jersey.server.spi.component.ResourceComponentProvider;
import com.sun.jersey.server.impl.component.ResourceFactory;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.server.impl.container.filter.FilterFactory;
import com.sun.jersey.server.impl.template.ViewResourceMethod;
import com.sun.jersey.spi.container.ResourceFilter;
import com.sun.jersey.spi.uri.rules.UriRule;
import com.sun.jersey.spi.uri.rules.UriRules;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.HttpMethod;
/**
*
* @author [email protected]
*/
public final class ResourceClass {
private final UriRules rules;
private final ResourceConfig config;
private final WadlFactory wadlFactory;
public final AbstractResource resource;
public ResourceComponentProvider rcProvider;
public ResourceClass(
ResourceConfig config,
ResourceMethodDispatcherFactory df,
ServerInjectableProviderContext injectableContext,
FilterFactory ff,
WadlFactory wadlFactory,
AbstractResource resource
) {
this.resource = resource;
this.config = config;
this.wadlFactory = wadlFactory;
final boolean implicitViewables = config.getFeature(
ResourceConfig.FEATURE_IMPLICIT_VIEWABLES);
List implictProduces = null;
if (implicitViewables) {
ImplicitProduces ip = resource.getAnnotation(ImplicitProduces.class);
if (ip != null && ip.value() != null && ip.value().length > 0) {
implictProduces = MediaTypes.createQualitySourceMediaTypes(ip.value());
}
}
RulesMap rulesMap = new RulesMap();
processSubResourceLocators(ff, injectableContext, rulesMap);
final Map patternMethodMap =
processSubResourceMethods(implictProduces, df, ff);
final ResourceMethodMap methodMap = processMethods(implictProduces, df, ff);
// Create the rules for the sub-resource HTTP methods
for (Map.Entry e : patternMethodMap.entrySet()) {
final PathPattern p = e.getKey();
final ResourceMethodMap rmm = e.getValue();
rmm.sort();
rulesMap.put(p,
new RightHandPathRule(
config.getFeature(ResourceConfig.FEATURE_REDIRECT),
p.getTemplate().endsWithSlash(),
new HttpMethodRule(rmm, implictProduces, true)));
}
// Create the rules for the HTTP methods
methodMap.sort();
if (!methodMap.isEmpty()) {
// No need to adapt with the RightHandPathRule as the URI path
// will be consumed when such a rule is accepted
rulesMap.put(PathPattern.EMPTY_PATH, new HttpMethodRule(methodMap, implictProduces));
}
// Create the atomic rules, at most only one will be matched
UriRules atomicRules = UriRulesFactory.create(rulesMap);
// Create the end sequential rules, zero or more may be matched
List> patterns = new ArrayList>();
if (config.getFeature(ResourceConfig.FEATURE_IMPLICIT_VIEWABLES)) {
AbstractImplicitViewMethod method = new AbstractImplicitViewMethod(resource);
List resourceFilters = ff.getResourceFilters(method);
ViewableRule r = new ViewableRule(
implictProduces,
ff.getRequestFilters(resourceFilters),
ff.getResponseFilters(resourceFilters));
ComponentInjector ci = new ComponentInjector(injectableContext,
ViewableRule.class);
ci.inject(r);
// The matching rule for a sub-resource template
patterns.add(new PatternRulePair(
new UriPattern("/([^/]+)"), r));
// The matching rule for an index template
patterns.add(new PatternRulePair(
UriPattern.EMPTY, r));
}
// The terminating rule when the path is not fully consumed and accepted
patterns.add(new PatternRulePair(
new UriPattern(".*"), new TerminatingRule()));
// The terminating rule when the path is fully consumed and accepted
patterns.add(new PatternRulePair(
UriPattern.EMPTY, new TerminatingRule()));
// Create the sequential rules
UriRules sequentialRules =
new SequentialMatchingPatterns(patterns);
// Combined the atomic and sequential rules, the former will be matched
// first
@SuppressWarnings("unchecked")
UriRules combiningRules =
new CombiningMatchingPatterns(
Arrays.asList(atomicRules, sequentialRules));
this.rules = combiningRules;
}
public void init(ResourceFactory rcpFactory) {
this.rcProvider = rcpFactory.getComponentProvider(resource.getResourceClass());
this.rcProvider.init(resource);
}
public void destroy() {
this.rcProvider.destroy();
}
public UriRules getRules() {
return rules;
}
private void addToPatternMethodMap(
Map tmm,
PathPattern p,
ResourceMethod rm) {
ResourceMethodMap rmm = tmm.get(p);
if (rmm == null) {
rmm = new ResourceMethodMap();
tmm.put(p, rmm);
}
rmm.put(rm);
}
private void processSubResourceLocators(
FilterFactory ff,
ServerInjectableProviderContext injectableContext,
RulesMap rulesMap) {
for (final AbstractSubResourceLocator locator : resource.getSubResourceLocators()) {
UriTemplate t = new PathTemplate(locator.getPath().getValue());
PathPattern p = new PathPattern(t);
List resourceFilters = ff.getResourceFilters(locator);
UriRule r = new SubLocatorRule(
t,
locator.getMethod(),
injectableContext.getInjectable(locator.getParameters(), ComponentScope.PerRequest),
ff.getRequestFilters(resourceFilters),
ff.getResponseFilters(resourceFilters));
rulesMap.put(p,
new RightHandPathRule(
config.getFeature(ResourceConfig.FEATURE_REDIRECT),
t.endsWithSlash(),
r));
}
}
private Map processSubResourceMethods(
List implictProduces,
ResourceMethodDispatcherFactory df,
FilterFactory ff) {
final Map patternMethodMap =
new HashMap();
for (final AbstractSubResourceMethod method : this.resource.getSubResourceMethods()) {
UriTemplate t = new PathTemplate(method.getPath().getValue());
PathPattern p = new PathPattern(t, "(/)?");
ResourceMethod rm = new ResourceHttpMethod(df, ff, t, method);
addToPatternMethodMap(patternMethodMap, p, rm);
}
for (Map.Entry e : patternMethodMap.entrySet()) {
if (implictProduces != null) {
List getList = e.getValue().get(HttpMethod.GET);
if (getList != null && !getList.isEmpty()) {
e.getValue().put(new ViewResourceMethod(implictProduces));
}
}
processHead(e.getValue());
processOptions(e.getValue(), this.resource, e.getKey());
}
return patternMethodMap;
}
private ResourceMethodMap processMethods(
List implictProduces,
ResourceMethodDispatcherFactory df,
FilterFactory ff) {
final ResourceMethodMap methodMap = new ResourceMethodMap();
for (final AbstractResourceMethod resourceMethod : this.resource.getResourceMethods()) {
ResourceMethod rm = new ResourceHttpMethod(df, ff, resourceMethod);
methodMap.put(rm);
}
if (implictProduces != null) {
List getList = methodMap.get(HttpMethod.GET);
if (getList != null && !getList.isEmpty()) {
methodMap.put(new ViewResourceMethod(implictProduces));
}
}
processHead(methodMap);
processOptions(methodMap, this.resource, null);
return methodMap;
}
private void processHead(ResourceMethodMap methodMap) {
List getList = methodMap.get(HttpMethod.GET);
if (getList == null || getList.isEmpty()) {
return;
}
List headList = methodMap.get(HttpMethod.HEAD);
if (headList == null) {
headList = new ArrayList();
}
for (ResourceMethod getMethod : getList) {
if (!containsMediaOfMethod(headList, getMethod)) {
ResourceMethod headMethod = new ResourceHeadWrapperMethod(getMethod);
methodMap.put(headMethod);
headList = methodMap.get(HttpMethod.HEAD);
}
}
}
/**
* Determin if a the resource method list contains a method that
* has the same consume/produce media as another resource method.
*
* @param methods the resource methods
* @param method the resource method to check
* @return true if the list contains a method with the same media as method.
*/
private boolean containsMediaOfMethod(List methods,
ResourceMethod method) {
for (ResourceMethod m : methods) {
if (method.mediaEquals(m)) {
return true;
}
}
return false;
}
private void processOptions(ResourceMethodMap methodMap,
AbstractResource resource, PathPattern p) {
List l = methodMap.get("OPTIONS");
if (l != null) {
return;
}
ResourceMethod optionsMethod = this.wadlFactory.createWadlOptionsMethod(methodMap, resource, p);
if (optionsMethod == null)
optionsMethod = new ResourceHttpOptionsMethod(methodMap);
methodMap.put(optionsMethod);
}
}
