/*
* Copyright 2002-2006,2009 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.opensymphony.xwork2.config.impl;
import com.opensymphony.xwork2.*;
import com.opensymphony.xwork2.config.*;
import com.opensymphony.xwork2.config.entities.*;
import com.opensymphony.xwork2.config.providers.EnvsValueSubstitutor;
import com.opensymphony.xwork2.config.providers.InterceptorBuilder;
import com.opensymphony.xwork2.config.providers.ValueSubstitutor;
import com.opensymphony.xwork2.conversion.*;
import com.opensymphony.xwork2.conversion.impl.*;
import com.opensymphony.xwork2.factory.*;
import com.opensymphony.xwork2.inject.*;
import com.opensymphony.xwork2.ognl.OgnlReflectionProvider;
import com.opensymphony.xwork2.ognl.OgnlUtil;
import com.opensymphony.xwork2.ognl.OgnlValueStackFactory;
import com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor;
import com.opensymphony.xwork2.util.*;
import com.opensymphony.xwork2.util.fs.DefaultFileManager;
import com.opensymphony.xwork2.util.fs.DefaultFileManagerFactory;
import com.opensymphony.xwork2.util.location.LocatableProperties;
import com.opensymphony.xwork2.util.reflection.ReflectionProvider;
import ognl.PropertyAccessor;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.struts2.StrutsConstants;
import java.util.*;
/**
* DefaultConfiguration
*
* @author Jason Carreira
* Created Feb 24, 2003 7:38:06 AM
*/
public class DefaultConfiguration implements Configuration {
protected static final Logger LOG = LogManager.getLogger(DefaultConfiguration.class);
// Programmatic Action Configurations
protected Map<String, PackageConfig> packageContexts = new LinkedHashMap<>();
protected RuntimeConfiguration runtimeConfiguration;
protected Container container;
protected String defaultFrameworkBeanName;
protected Set<String> loadedFileNames = new TreeSet<>();
protected List<UnknownHandlerConfig> unknownHandlerStack;
ObjectFactory objectFactory;
public DefaultConfiguration() {
this(Container.DEFAULT_NAME);
}
public DefaultConfiguration(String defaultBeanName) {
this.defaultFrameworkBeanName = defaultBeanName;
}
public PackageConfig getPackageConfig(String name) {
return packageContexts.get(name);
}
public List<UnknownHandlerConfig> getUnknownHandlerStack() {
return unknownHandlerStack;
}
public void setUnknownHandlerStack(List<UnknownHandlerConfig> unknownHandlerStack) {
this.unknownHandlerStack = unknownHandlerStack;
}
public Set<String> getPackageConfigNames() {
return packageContexts.keySet();
}
public Map<String, PackageConfig> getPackageConfigs() {
return packageContexts;
}
public Set<String> getLoadedFileNames() {
return loadedFileNames;
}
public RuntimeConfiguration getRuntimeConfiguration() {
return runtimeConfiguration;
}
/**
* @return the container
*/
public Container getContainer() {
return container;
}
public void addPackageConfig(String name, PackageConfig packageContext) {
PackageConfig check = packageContexts.get(name);
if (check != null) {
if (check.getLocation() != null && packageContext.getLocation() != null
&& check.getLocation().equals(packageContext.getLocation())) {
LOG.debug("The package name '{}' is already been loaded by the same location and could be removed: {}",
name, packageContext.getLocation());
} else {
throw new ConfigurationException("The package name '" + name
+ "' at location "+packageContext.getLocation()
+ " is already been used by another package at location " + check.getLocation(),
packageContext);
}
}
packageContexts.put(name, packageContext);
}
public PackageConfig removePackageConfig(String packageName) {
return packageContexts.remove(packageName);
}
/**
* Allows the configuration to clean up any resources used
*/
public void destroy() {
packageContexts.clear();
loadedFileNames.clear();
}
public void rebuildRuntimeConfiguration() {
runtimeConfiguration = buildRuntimeConfiguration();
}
/**
* Calls the ConfigurationProviderFactory.getConfig() to tell it to reload the configuration and then calls
* buildRuntimeConfiguration().
*
* @return list of package providers
*
* @throws ConfigurationException in case of any configuration errors
*/
public synchronized List<PackageProvider> reloadContainer(List<ContainerProvider> providers) throws ConfigurationException {
packageContexts.clear();
loadedFileNames.clear();
List<PackageProvider> packageProviders = new ArrayList<>();
ContainerProperties props = new ContainerProperties();
ContainerBuilder builder = new ContainerBuilder();
Container bootstrap = createBootstrapContainer(providers);
for (final ContainerProvider containerProvider : providers)
{
bootstrap.inject(containerProvider);
containerProvider.init(this);
containerProvider.register(builder, props);
}
props.setConstants(builder);
builder.factory(Configuration.class, new Factory<Configuration>() {
public Configuration create(Context context) throws Exception {
return DefaultConfiguration.this;
}
});
ActionContext oldContext = ActionContext.getContext();
try {
// Set the bootstrap container for the purposes of factory creation
setContext(bootstrap);
container = builder.create(false);
setContext(container);
objectFactory = container.getInstance(ObjectFactory.class);
// Process the configuration providers first
for (final ContainerProvider containerProvider : providers)
{
if (containerProvider instanceof PackageProvider) {
container.inject(containerProvider);
((PackageProvider)containerProvider).loadPackages();
packageProviders.add((PackageProvider)containerProvider);
}
}
// Then process any package providers from the plugins
Set<String> packageProviderNames = container.getInstanceNames(PackageProvider.class);
for (String name : packageProviderNames) {
PackageProvider provider = container.getInstance(PackageProvider.class, name);
provider.init(this);
provider.loadPackages();
packageProviders.add(provider);
}
rebuildRuntimeConfiguration();
} finally {
if (oldContext == null) {
ActionContext.setContext(null);
}
}
return packageProviders;
}
protected ActionContext setContext(Container cont) {
ActionContext context = ActionContext.getContext();
if (context == null) {
ValueStack vs = cont.getInstance(ValueStackFactory.class).createValueStack();
context = new ActionContext(vs.getContext());
ActionContext.setContext(context);
}
return context;
}
protected Container createBootstrapContainer(List<ContainerProvider> providers) {
ContainerBuilder builder = new ContainerBuilder();
boolean fmFactoryRegistered = false;
for (ContainerProvider provider : providers) {
if (provider instanceof FileManagerProvider) {
provider.register(builder, null);
}
if (provider instanceof FileManagerFactoryProvider) {
provider.register(builder, null);
fmFactoryRegistered = true;
}
}
builder.factory(ObjectFactory.class, Scope.SINGLETON);
builder.factory(ActionFactory.class, DefaultActionFactory.class, Scope.SINGLETON);
builder.factory(ResultFactory.class, DefaultResultFactory.class, Scope.SINGLETON);
builder.factory(InterceptorFactory.class, DefaultInterceptorFactory.class, Scope.SINGLETON);
builder.factory(com.opensymphony.xwork2.factory.ValidatorFactory.class, com.opensymphony.xwork2.factory.DefaultValidatorFactory.class, Scope.SINGLETON);
builder.factory(ConverterFactory.class, DefaultConverterFactory.class, Scope.SINGLETON);
builder.factory(UnknownHandlerFactory.class, DefaultUnknownHandlerFactory.class, Scope.SINGLETON);
builder.factory(FileManager.class, "system", DefaultFileManager.class, Scope.SINGLETON);
if (!fmFactoryRegistered) {
builder.factory(FileManagerFactory.class, DefaultFileManagerFactory.class, Scope.SINGLETON);
}
builder.factory(ReflectionProvider.class, OgnlReflectionProvider.class, Scope.SINGLETON);
builder.factory(ValueStackFactory.class, OgnlValueStackFactory.class, Scope.SINGLETON);
builder.factory(XWorkConverter.class, Scope.SINGLETON);
builder.factory(ConversionPropertiesProcessor.class, DefaultConversionPropertiesProcessor.class, Scope.SINGLETON);
builder.factory(ConversionFileProcessor.class, DefaultConversionFileProcessor.class, Scope.SINGLETON);
builder.factory(ConversionAnnotationProcessor.class, DefaultConversionAnnotationProcessor.class, Scope.SINGLETON);
builder.factory(TypeConverterCreator.class, DefaultTypeConverterCreator.class, Scope.SINGLETON);
builder.factory(TypeConverterHolder.class, DefaultTypeConverterHolder.class, Scope.SINGLETON);
builder.factory(XWorkBasicConverter.class, Scope.SINGLETON);
builder.factory(TypeConverter.class, XWorkConstants.COLLECTION_CONVERTER, CollectionConverter.class, Scope.SINGLETON);
builder.factory(TypeConverter.class, XWorkConstants.ARRAY_CONVERTER, ArrayConverter.class, Scope.SINGLETON);
builder.factory(TypeConverter.class, XWorkConstants.DATE_CONVERTER, DateConverter.class, Scope.SINGLETON);
builder.factory(TypeConverter.class, XWorkConstants.NUMBER_CONVERTER, NumberConverter.class, Scope.SINGLETON);
builder.factory(TypeConverter.class, XWorkConstants.STRING_CONVERTER, StringConverter.class, Scope.SINGLETON);
builder.factory(TextProvider.class, "system", DefaultTextProvider.class, Scope.SINGLETON);
builder.factory(LocalizedTextProvider.class, DefaultLocalizedTextProvider.class, Scope.SINGLETON);
builder.factory(TextProviderFactory.class, StrutsTextProviderFactory.class, Scope.SINGLETON);
builder.factory(LocaleProviderFactory.class, DefaultLocaleProviderFactory.class, Scope.SINGLETON);
builder.factory(TextParser.class, OgnlTextParser.class, Scope.SINGLETON);
builder.factory(ObjectTypeDeterminer.class, DefaultObjectTypeDeterminer.class, Scope.SINGLETON);
builder.factory(PropertyAccessor.class, CompoundRoot.class.getName(), CompoundRootAccessor.class, Scope.SINGLETON);
builder.factory(OgnlUtil.class, Scope.SINGLETON);
builder.factory(ValueSubstitutor.class, EnvsValueSubstitutor.class, Scope.SINGLETON);
builder.constant(XWorkConstants.DEV_MODE, "false");
builder.constant(StrutsConstants.STRUTS_DEVMODE, "false");
builder.constant(XWorkConstants.LOG_MISSING_PROPERTIES, "false");
builder.constant(XWorkConstants.ENABLE_OGNL_EVAL_EXPRESSION, "false");
builder.constant(XWorkConstants.ENABLE_OGNL_EXPRESSION_CACHE, "true");
builder.constant(XWorkConstants.RELOAD_XML_CONFIGURATION, "false");
builder.constant(StrutsConstants.STRUTS_I18N_RELOAD, "false");
return builder.create(true);
}
/**
* <p>
* This builds the internal runtime configuration used by Xwork for finding and configuring Actions from the
* programmatic configuration data structures. All of the old runtime configuration will be discarded and rebuilt.
* </p>
*
* <p>
* It basically flattens the data structures to make the information easier to access. It will take
* an {@link ActionConfig} and combine its data with all inherited dast. For example, if the {@link ActionConfig}
* is in a package that contains a global result and it also contains a result, the resulting {@link ActionConfig}
* will have two results.
* </p>
*
* @return runtime configuration
* @throws ConfigurationException in case of any configuration errors
*/
protected synchronized RuntimeConfiguration buildRuntimeConfiguration() throws ConfigurationException {
Map<String, Map<String, ActionConfig>> namespaceActionConfigs = new LinkedHashMap<>();
Map<String, String> namespaceConfigs = new LinkedHashMap<>();
for (PackageConfig packageConfig : packageContexts.values()) {
if (!packageConfig.isAbstract()) {
String namespace = packageConfig.getNamespace();
Map<String, ActionConfig> configs = namespaceActionConfigs.get(namespace);
if (configs == null) {
configs = new LinkedHashMap<>();
}
Map<String, ActionConfig> actionConfigs = packageConfig.getAllActionConfigs();
for (Object o : actionConfigs.keySet()) {
String actionName = (String) o;
ActionConfig baseConfig = actionConfigs.get(actionName);
configs.put(actionName, buildFullActionConfig(packageConfig, baseConfig));
}
namespaceActionConfigs.put(namespace, configs);
if (packageConfig.getFullDefaultActionRef() != null) {
namespaceConfigs.put(namespace, packageConfig.getFullDefaultActionRef());
}
}
}
PatternMatcher<int[]> matcher = container.getInstance(PatternMatcher.class);
return new RuntimeConfigurationImpl(Collections.unmodifiableMap(namespaceActionConfigs),
Collections.unmodifiableMap(namespaceConfigs), matcher);
}
private void setDefaultResults(Map<String, ResultConfig> results, PackageConfig packageContext) {
String defaultResult = packageContext.getFullDefaultResultType();
for (Map.Entry<String, ResultConfig> entry : results.entrySet()) {
if (entry.getValue() == null) {
ResultTypeConfig resultTypeConfig = packageContext.getAllResultTypeConfigs().get(defaultResult);
entry.setValue(new ResultConfig.Builder(null, resultTypeConfig.getClassName()).build());
}
}
}
/**
* Builds the full runtime actionconfig with all of the defaults and inheritance
*
* @param packageContext the PackageConfig which holds the base config we're building from
* @param baseConfig the ActionConfig which holds only the configuration specific to itself, without the defaults
* and inheritance
* @return a full ActionConfig for runtime configuration with all of the inherited and default params
* @throws com.opensymphony.xwork2.config.ConfigurationException
*
*/
private ActionConfig buildFullActionConfig(PackageConfig packageContext, ActionConfig baseConfig) throws ConfigurationException {
Map<String, String> params = new TreeMap<>(baseConfig.getParams());
Map<String, ResultConfig> results = new TreeMap<>();
if (!baseConfig.getPackageName().equals(packageContext.getName()) && packageContexts.containsKey(baseConfig.getPackageName())) {
results.putAll(packageContexts.get(baseConfig.getPackageName()).getAllGlobalResults());
} else {
results.putAll(packageContext.getAllGlobalResults());
}
results.putAll(baseConfig.getResults());
setDefaultResults(results, packageContext);
List<InterceptorMapping> interceptors = new ArrayList<>(baseConfig.getInterceptors());
if (interceptors.size() <= 0) {
String defaultInterceptorRefName = packageContext.getFullDefaultInterceptorRef();
if (defaultInterceptorRefName != null) {
interceptors.addAll(InterceptorBuilder.constructInterceptorReference(new PackageConfig.Builder(packageContext), defaultInterceptorRefName,
new LinkedHashMap<String, String>(), packageContext.getLocation(), objectFactory));
}
}
String methodRegex = container.getInstance(String.class, StrutsConstants.STRUTS_SMI_METHOD_REGEX);
if (methodRegex == null) {
methodRegex = ActionConfig.DEFAULT_METHOD_REGEX;
}
LOG.debug("Using pattern [{}] to match allowed methods when SMI is disabled!", methodRegex);
return new ActionConfig.Builder(baseConfig)
.addParams(params)
.addResultConfigs(results)
.defaultClassName(packageContext.getDefaultClassRef()) // fill in default if non class has been provided
.interceptors(interceptors)
.setStrictMethodInvocation(packageContext.isStrictMethodInvocation())
.setDefaultMethodRegex(methodRegex)
.addExceptionMappings(packageContext.getAllExceptionMappingConfigs())
.build();
}
private static class RuntimeConfigurationImpl implements RuntimeConfiguration {
private Map<String, Map<String, ActionConfig>> namespaceActionConfigs;
private Map<String, ActionConfigMatcher> namespaceActionConfigMatchers;
private NamespaceMatcher namespaceMatcher;
private Map<String, String> namespaceConfigs;
public RuntimeConfigurationImpl(Map<String, Map<String, ActionConfig>> namespaceActionConfigs,
Map<String, String> namespaceConfigs,
PatternMatcher<int[]> matcher) {
this.namespaceActionConfigs = namespaceActionConfigs;
this.namespaceConfigs = namespaceConfigs;
this.namespaceActionConfigMatchers = new LinkedHashMap<>();
this.namespaceMatcher = new NamespaceMatcher(matcher, namespaceActionConfigs.keySet());
for (String ns : namespaceActionConfigs.keySet()) {
namespaceActionConfigMatchers.put(ns, new ActionConfigMatcher(matcher, namespaceActionConfigs.get(ns), true));
}
}
/**
* Gets the configuration information for an action name, or returns null if the
* name is not recognized.
*
* @param name the name of the action
* @param namespace the namespace for the action or null for the empty namespace, ""
* @return the configuration information for action requested
*/
public ActionConfig getActionConfig(String namespace, String name) {
ActionConfig config = findActionConfigInNamespace(namespace, name);
// try wildcarded namespaces
if (config == null) {
NamespaceMatch match = namespaceMatcher.match(namespace);
if (match != null) {
config = findActionConfigInNamespace(match.getPattern(), name);
// If config found, place all the matches found in the namespace processing in the action's parameters
if (config != null) {
config = new ActionConfig.Builder(config)
.addParams(match.getVariables())
.build();
}
}
}
// fail over to empty namespace
if (config == null && StringUtils.isNotBlank(namespace)) {
config = findActionConfigInNamespace("", name);
}
return config;
}
private ActionConfig findActionConfigInNamespace(String namespace, String name) {
ActionConfig config = null;
if (namespace == null) {
namespace = "";
}
Map<String, ActionConfig> actions = namespaceActionConfigs.get(namespace);
if (actions != null) {
config = actions.get(name);
// Check wildcards
if (config == null) {
config = namespaceActionConfigMatchers.get(namespace).match(name);
// fail over to default action
if (config == null) {
String defaultActionRef = namespaceConfigs.get(namespace);
if (defaultActionRef != null) {
config = actions.get(defaultActionRef);
}
}
}
}
return config;
}
/**
* Gets the configuration settings for every action.
*
* @return a Map of namespace - > Map of ActionConfig objects, with the key being the action name
*/
public Map<String, Map<String, ActionConfig>> getActionConfigs() {
return namespaceActionConfigs;
}
@Override
public String toString() {
StringBuilder buff = new StringBuilder("RuntimeConfiguration - actions are\n");
for (String namespace : namespaceActionConfigs.keySet()) {
Map<String, ActionConfig> actionConfigs = namespaceActionConfigs.get(namespace);
for (String s : actionConfigs.keySet()) {
buff.append(namespace).append("/").append(s).append("\n");
}
}
return buff.toString();
}
}
class ContainerProperties extends LocatableProperties {
private static final long serialVersionUID = -7320625750836896089L;
@Override
public Object setProperty(String key, String value) {
String oldValue = getProperty(key);
if (LOG.isInfoEnabled() && oldValue != null && !oldValue.equals(value) && !defaultFrameworkBeanName.equals(oldValue)) {
LOG.info("Overriding property {} - old value: {} new value: {}", key, oldValue, value);
}
return super.setProperty(key, value);
}
public void setConstants(ContainerBuilder builder) {
for (Object keyobj : keySet()) {
String key = (String)keyobj;
builder.factory(String.class, key, new LocatableConstantFactory<>(getProperty(key), getPropertyLocation(key)));
}
}
}
}