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32 changes: 32 additions & 0 deletions
32
core/src/main/java/org/apache/struts2/config/StrutsJavaConfiguration.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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 org.apache.struts2.config; | ||
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import java.util.List; | ||
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import org.apache.struts2.config.entities.BeanConfig; | ||
import org.apache.struts2.config.entities.ConstantConfig; | ||
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public interface StrutsJavaConfiguration { | ||
List<BeanConfig> beans(); | ||
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List<ConstantConfig> constants(); | ||
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List<String> unknownHandlerStack(); | ||
} |
174 changes: 174 additions & 0 deletions
174
core/src/main/java/org/apache/struts2/config/StrutsJavaConfigurationProvider.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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 org.apache.struts2.config; | ||
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import java.util.ArrayList; | ||
import java.util.HashMap; | ||
import java.util.List; | ||
import java.util.Map; | ||
import java.util.Map.Entry; | ||
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import org.apache.logging.log4j.LogManager; | ||
import org.apache.logging.log4j.Logger; | ||
import org.apache.struts2.config.entities.BeanConfig; | ||
import org.apache.struts2.config.entities.ConstantConfig; | ||
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import com.opensymphony.xwork2.config.Configuration; | ||
import com.opensymphony.xwork2.config.ConfigurationException; | ||
import com.opensymphony.xwork2.config.ConfigurationProvider; | ||
import com.opensymphony.xwork2.config.entities.UnknownHandlerConfig; | ||
import com.opensymphony.xwork2.config.impl.LocatableFactory; | ||
import com.opensymphony.xwork2.config.providers.ValueSubstitutor; | ||
import com.opensymphony.xwork2.inject.ContainerBuilder; | ||
import com.opensymphony.xwork2.inject.Inject; | ||
import com.opensymphony.xwork2.util.location.LocatableProperties; | ||
import com.opensymphony.xwork2.util.location.Location; | ||
import com.opensymphony.xwork2.util.location.LocationUtils; | ||
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public class StrutsJavaConfigurationProvider implements ConfigurationProvider { | ||
private static final Logger LOG = LogManager.getLogger(StrutsJavaConfigurationProvider.class); | ||
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private final StrutsJavaConfiguration javaConfig; | ||
private Configuration configuration; | ||
private boolean throwExceptionOnDuplicateBeans = true; | ||
private ValueSubstitutor valueSubstitutor; | ||
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public StrutsJavaConfigurationProvider(StrutsJavaConfiguration javaConfig) { | ||
this.javaConfig = javaConfig; | ||
} | ||
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public void setThrowExceptionOnDuplicateBeans(boolean val) { | ||
this.throwExceptionOnDuplicateBeans = val; | ||
} | ||
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@Inject(required = false) | ||
public void setValueSubstitutor(ValueSubstitutor valueSubstitutor) { | ||
this.valueSubstitutor = valueSubstitutor; | ||
} | ||
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@Override | ||
public void register(ContainerBuilder builder, LocatableProperties props) throws ConfigurationException { | ||
Map<String, Object> loadedBeans = new HashMap<>(); | ||
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// bean | ||
List<BeanConfig> beanConfigs = javaConfig.beans(); | ||
if (beanConfigs != null) { | ||
for (BeanConfig bc : beanConfigs) { | ||
if (bc != null) { | ||
registerBean(loadedBeans, builder, bc); | ||
} | ||
} | ||
} | ||
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// constant | ||
List<ConstantConfig> constantConfigList = javaConfig.constants(); | ||
if (constantConfigList != null) { | ||
for (ConstantConfig constantConf : constantConfigList) { | ||
if (constantConf != null) { | ||
Map<String, String> constantMap = constantConf.getAllAsStringsMap(); | ||
for (Entry<String, String> entr : constantMap.entrySet()) { | ||
if (entr.getKey() != null && entr.getValue() != null) { | ||
registerConstant(props, entr.getKey(), entr.getValue()); | ||
} | ||
} | ||
} | ||
} | ||
} | ||
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// unknown-handler-stack | ||
List<String> unknownHandlers = javaConfig.unknownHandlerStack(); | ||
if (unknownHandlers != null) { | ||
List<UnknownHandlerConfig> unknownHandlerStack = new ArrayList<>(); | ||
for (String unknownHandler : unknownHandlers) { | ||
Location location = LocationUtils.getLocation(unknownHandler); | ||
unknownHandlerStack.add(new UnknownHandlerConfig(unknownHandler, location)); | ||
} | ||
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if (!unknownHandlerStack.isEmpty()) { | ||
configuration.setUnknownHandlerStack(unknownHandlerStack); | ||
} | ||
} | ||
} | ||
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private void registerConstant(LocatableProperties props, String key, String value) { | ||
if (valueSubstitutor != null) { | ||
LOG.debug("Substituting value [{}] using [{}]", value, valueSubstitutor.getClass().getName()); | ||
value = valueSubstitutor.substitute(value); | ||
} | ||
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props.setProperty(key, value, javaConfig); | ||
} | ||
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private void registerBean(Map<String, Object> loadedBeans, ContainerBuilder containerBuilder, BeanConfig beanConf) { | ||
try { | ||
if (beanConf.isOnlyStatic()) { | ||
// Force loading of class to detect no class def found | ||
// exceptions | ||
beanConf.getClazz().getDeclaredClasses(); | ||
containerBuilder.injectStatics(beanConf.getClazz()); | ||
} else { | ||
if (containerBuilder.contains(beanConf.getType(), beanConf.getName())) { | ||
Location loc = LocationUtils | ||
.getLocation(loadedBeans.get(beanConf.getType().getName() + beanConf.getName())); | ||
if (throwExceptionOnDuplicateBeans) { | ||
throw new ConfigurationException("Bean type " + beanConf.getType() + " with the name " | ||
+ beanConf.getName() + " has already been loaded by " + loc, javaConfig); | ||
} | ||
} | ||
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// Force loading of class to detect no class def found | ||
// exceptions | ||
beanConf.getClazz().getDeclaredConstructors(); | ||
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LOG.debug("Loaded type: {} name: {} clazz: {}", beanConf.getType(), beanConf.getName(), | ||
beanConf.getClazz()); | ||
containerBuilder.factory( | ||
beanConf.getType(), beanConf.getName(), new LocatableFactory(beanConf.getName(), | ||
beanConf.getType(), beanConf.getClazz(), beanConf.getScope(), javaConfig), | ||
beanConf.getScope()); | ||
} | ||
loadedBeans.put(beanConf.getType().getName() + beanConf.getName(), javaConfig); | ||
} catch (Throwable ex) { | ||
if (!beanConf.isOptional()) { | ||
throw new ConfigurationException( | ||
"Unable to load bean: type:" + beanConf.getType() + " class:" + beanConf.getClazz(), ex); | ||
} else { | ||
LOG.debug("Unable to load optional class: {}", beanConf.getClazz()); | ||
} | ||
} | ||
} | ||
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@Override | ||
public void init(Configuration configuration) throws ConfigurationException { | ||
this.configuration = configuration; | ||
} | ||
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@Override | ||
public boolean needsReload() { | ||
return false; | ||
} | ||
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@Override | ||
public void loadPackages() throws ConfigurationException { | ||
} | ||
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@Override | ||
public void destroy() { | ||
} | ||
} |
76 changes: 76 additions & 0 deletions
76
core/src/main/java/org/apache/struts2/config/entities/BeanConfig.java
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@@ -0,0 +1,76 @@ | ||
/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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 org.apache.struts2.config.entities; | ||
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import com.opensymphony.xwork2.inject.Container; | ||
import com.opensymphony.xwork2.inject.Scope; | ||
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public class BeanConfig { | ||
private final Class<?> clazz; | ||
private final String name; | ||
private final Class<?> type; | ||
private final Scope scope; | ||
private final boolean onlyStatic; | ||
private final boolean optional; | ||
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public BeanConfig(Class<?> clazz) { | ||
this(clazz, Container.DEFAULT_NAME); | ||
} | ||
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public BeanConfig(Class<?> clazz, String name) { | ||
this(clazz, name, clazz); | ||
} | ||
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public BeanConfig(Class<?> clazz, String name, Class<?> type) { | ||
this(clazz, name, type, Scope.SINGLETON, false, false); | ||
} | ||
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public BeanConfig(Class<?> clazz, String name, Class<?> type, Scope scope, boolean onlyStatic, boolean optional) { | ||
this.clazz = clazz; | ||
this.name = name; | ||
this.type = type; | ||
this.scope = scope; | ||
this.onlyStatic = onlyStatic; | ||
this.optional = optional; | ||
} | ||
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public Class<?> getClazz() { | ||
return clazz; | ||
} | ||
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public String getName() { | ||
return name; | ||
} | ||
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public Class<?> getType() { | ||
return type; | ||
} | ||
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public Scope getScope() { | ||
return scope; | ||
} | ||
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public boolean isOnlyStatic() { | ||
return onlyStatic; | ||
} | ||
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public boolean isOptional() { | ||
return optional; | ||
} | ||
} |
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