com.aspectran.core.activity.CoreTranslet Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2024 The Aspectran Project
*
* 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.aspectran.core.activity;
import com.aspectran.core.activity.process.result.ProcessResult;
import com.aspectran.core.activity.request.FileParameter;
import com.aspectran.core.activity.response.ForwardResponse;
import com.aspectran.core.activity.response.RedirectResponse;
import com.aspectran.core.activity.response.Response;
import com.aspectran.core.activity.response.dispatch.DispatchResponse;
import com.aspectran.core.activity.response.transform.CustomTransformResponse;
import com.aspectran.core.activity.response.transform.CustomTransformer;
import com.aspectran.core.activity.response.transform.TransformResponseFactory;
import com.aspectran.core.adapter.ApplicationAdapter;
import com.aspectran.core.adapter.RequestAdapter;
import com.aspectran.core.adapter.ResponseAdapter;
import com.aspectran.core.adapter.SessionAdapter;
import com.aspectran.core.context.env.Environment;
import com.aspectran.core.context.expr.TokenEvaluation;
import com.aspectran.core.context.expr.TokenEvaluator;
import com.aspectran.core.context.expr.token.Token;
import com.aspectran.core.context.expr.token.TokenParser;
import com.aspectran.core.context.rule.DescriptionRule;
import com.aspectran.core.context.rule.DispatchRule;
import com.aspectran.core.context.rule.ForwardRule;
import com.aspectran.core.context.rule.RedirectRule;
import com.aspectran.core.context.rule.TransformRule;
import com.aspectran.core.context.rule.TransletRule;
import com.aspectran.core.support.i18n.message.NoSuchMessageException;
import com.aspectran.utils.StringUtils;
import com.aspectran.utils.annotation.jsr305.NonNull;
import java.io.IOException;
import java.util.Collection;
import java.util.Locale;
import java.util.Map;
/**
* The Class CoreTranslet.
*
* This class is generally not thread-safe.
* It is primarily designed for use in a single thread only.
*/
public class CoreTranslet extends AbstractTranslet {
private final CoreActivity activity;
private ProcessResult processResult;
private ActivityData activityData;
private TokenEvaluator evaluator;
/**
* Instantiates a new CoreTranslet.
* @param transletRule the translet rule
* @param activity the current Activity
*/
public CoreTranslet(@NonNull TransletRule transletRule, @NonNull CoreActivity activity) {
super(transletRule);
this.activity = activity;
}
@Override
@NonNull
public String getContextPath() {
return StringUtils.nullToEmpty(activity.getContextPath());
}
@Override
public String getActualRequestName() {
String contextPath = activity.getReverseContextPath();
if (StringUtils.hasLength(contextPath)) {
return contextPath + getRequestName();
} else {
return getRequestName();
}
}
@Override
public String getDescription() {
DescriptionRule descriptionRule = getDescriptionRule();
if (descriptionRule != null) {
return DescriptionRule.render(descriptionRule, activity);
} else {
return null;
}
}
@Override
public Environment getEnvironment() {
return activity.getEnvironment();
}
@Override
public ApplicationAdapter getApplicationAdapter() {
return activity.getApplicationAdapter();
}
@Override
public SessionAdapter getSessionAdapter() {
return activity.getSessionAdapter();
}
@Override
public RequestAdapter getRequestAdapter() {
return activity.getRequestAdapter();
}
@Override
public ResponseAdapter getResponseAdapter() {
return activity.getResponseAdapter();
}
@Override
public V getSessionAdaptee() {
SessionAdapter sessionAdapter = getSessionAdapter();
return (sessionAdapter != null ? sessionAdapter.getAdaptee() : null);
}
@Override
public V getRequestAdaptee() {
return getRequestAdapter().getAdaptee();
}
@Override
public V getResponseAdaptee() {
return getResponseAdapter().getAdaptee();
}
@Override
public String getIntendedRequestEncoding() {
return activity.getIntendedRequestEncoding();
}
@Override
public String getIntendedResponseEncoding() {
return activity.getIntendedResponseEncoding();
}
@Override
public ProcessResult getProcessResult() {
return processResult;
}
@Override
public Object getProcessResult(String actionId) {
return (processResult != null ? processResult.getResultValue(actionId) : null);
}
@Override
public void setProcessResult(ProcessResult processResult) {
this.processResult = processResult;
}
@Override
public ActivityData getActivityData() {
if (activityData == null) {
activityData = new ActivityData(activity);
} else {
activityData.refresh();
}
return activityData;
}
@Override
public V getSetting(String settingName) {
return activity.getSetting(settingName);
}
@Override
public V getProperty(String name) {
return getEnvironment().getProperty(name, activity);
}
@Override
public String getParameter(String name) {
return getRequestAdapter().getParameter(name);
}
@Override
public String[] getParameterValues(String name) {
return getRequestAdapter().getParameterValues(name);
}
@Override
public Collection getParameterNames() {
return getRequestAdapter().getParameterNames();
}
@Override
public void setParameter(String name, String value) {
getRequestAdapter().setParameter(name, value);
}
@Override
public void setParameter(String name, String[] values) {
getRequestAdapter().setParameter(name, values);
}
@Override
public Map getAllParameters() {
return getRequestAdapter().getAllParameters();
}
@Override
public void extractParameters(Map targetParameters) {
getRequestAdapter().extractParameters(targetParameters);
}
@Override
public FileParameter getFileParameter(String name) {
return getRequestAdapter().getFileParameter(name);
}
@Override
public FileParameter[] getFileParameterValues(String name) {
return getRequestAdapter().getFileParameterValues(name);
}
@Override
public Collection getFileParameterNames() {
return getRequestAdapter().getFileParameterNames();
}
@Override
public void setFileParameter(String name, FileParameter fileParameter) {
getRequestAdapter().setFileParameter(name, fileParameter);
}
@Override
public void setFileParameter(String name, FileParameter[] fileParameters) {
getRequestAdapter().setFileParameter(name, fileParameters);
}
@Override
public void removeFileParameter(String name) {
getRequestAdapter().removeFileParameter(name);
}
@Override
public V getAttribute(String name) {
return getRequestAdapter().getAttribute(name);
}
@Override
public void setAttribute(String name, Object value) {
getRequestAdapter().setAttribute(name, value);
}
@Override
public Collection getAttributeNames() {
return getRequestAdapter().getAttributeNames();
}
@Override
public void removeAttribute(String name) {
getRequestAdapter().removeAttribute(name);
}
@Override
public void transform(TransformRule transformRule) {
if (transformRule == null) {
throw new IllegalArgumentException("transformRule must not be null");
}
Response res = TransformResponseFactory.create(transformRule);
response(res);
}
@Override
public void transform(CustomTransformer transformer) {
if (transformer == null) {
throw new IllegalArgumentException("transformer must not be null");
}
Response res = new CustomTransformResponse(transformer);
response(res);
}
@Override
public void dispatch(String name) {
dispatch(name, null);
}
@Override
public void dispatch(String name, String dispatcherName) {
DispatchRule dispatchRule = new DispatchRule();
dispatchRule.setName(name, null);
dispatchRule.setDispatcherName(dispatcherName);
dispatch(dispatchRule);
}
@Override
public void dispatch(DispatchRule dispatchRule) {
if (dispatchRule == null) {
throw new IllegalArgumentException("transformRule must not be null");
}
Response res = new DispatchResponse(dispatchRule);
response(res);
}
@Override
public void forward(String transletName) {
ForwardRule forwardRule = new ForwardRule();
forwardRule.setTransletName(transletName);
forward(forwardRule);
}
@Override
public void forward(ForwardRule forwardRule) {
if (forwardRule == null) {
throw new IllegalArgumentException("forwardRule must not be null");
}
if (forwardRule.getTransletName() == null) {
forwardRule.setTransletName(StringUtils.EMPTY);
}
Response res = new ForwardResponse(forwardRule);
response(res);
}
@Override
public void redirect(String path) {
redirect(path, null);
}
@Override
public void redirect(String path, Map parameters) {
RedirectRule redirectRule = new RedirectRule();
redirectRule.setPath(path);
redirectRule.setParameters(parameters);
redirect(redirectRule);
}
@Override
public void redirect(RedirectRule redirectRule) {
if (redirectRule == null) {
throw new IllegalArgumentException("redirectRule must not be null");
}
Response res = new RedirectResponse(redirectRule);
response(res);
}
@Override
public void response(Response response) {
activity.reserveResponse(response);
}
@Override
public void response() {
activity.reserveResponse();
}
@Override
public Response getDeclaredResponse() {
return activity.getDeclaredResponse();
}
@Override
public boolean isResponseReserved() {
return activity.isResponseReserved();
}
@Override
public boolean isExceptionRaised() {
return activity.isExceptionRaised();
}
@Override
public Throwable getRaisedException() {
return activity.getRaisedException();
}
@Override
public void removeRaisedException() {
activity.clearRaisedException();
}
@Override
public Throwable getRootCauseOfRaisedException() {
return activity.getRootCauseOfRaisedException();
}
@Override
public V getAspectAdviceBean(String aspectId) {
return activity.getAspectAdviceBean(aspectId);
}
@Override
public V getBeforeAdviceResult(String aspectId) {
return activity.getBeforeAdviceResult(aspectId);
}
@Override
public V getAfterAdviceResult(String aspectId) {
return activity.getAfterAdviceResult(aspectId);
}
@Override
public V getAroundAdviceResult(String aspectId) {
return activity.getAroundAdviceResult(aspectId);
}
@Override
public V getFinallyAdviceResult(String aspectId) {
return activity.getFinallyAdviceResult(aspectId);
}
@Override
public boolean hasPathVariables() {
return activity.getTransletRule().hasPathVariables();
}
@Override
public String toString() {
if (getResponseAdapter() != null && getResponseAdapter().getAdaptee() == null) {
try {
return getResponseAdapter().getWriter().toString();
} catch (IOException e) {
// ignore
}
}
return super.toString();
}
//---------------------------------------------------------------------
// Implementation for token expression evaluation
//---------------------------------------------------------------------
@Override
public V evaluate(String expression) {
Token[] tokens = TokenParser.parse(expression);
return evaluate(tokens);
}
@Override
@SuppressWarnings("unchecked")
public V evaluate(Token[] tokens) {
if (evaluator == null) {
evaluator = new TokenEvaluation(activity);
}
return (V)evaluator.evaluate(tokens);
}
//---------------------------------------------------------------------
// Implementation of BeanRegistry interface
//---------------------------------------------------------------------
@Override
public V getBean(String id) {
return activity.getBean(id);
}
@Override
public V getBean(Class type) {
return activity.getBean(type);
}
@Override
public V getBean(Class type, String id) {
return activity.getBean(type, id);
}
@Override
public boolean containsBean(String id) {
return activity.containsBean(id);
}
@Override
public boolean containsBean(Class type) {
return activity.containsBean(type);
}
@Override
public boolean containsBean(Class type, String id) {
return activity.containsBean(type, id);
}
//---------------------------------------------------------------------
// Implementation of MessageSource interface
//---------------------------------------------------------------------
@Override
public String getMessage(String code) throws NoSuchMessageException {
return getMessage(code, (Object[])null);
}
@Override
public String getMessage(String code, Object[] args) throws NoSuchMessageException {
return getMessage(code, args, getRequestAdapter().getLocale());
}
@Override
public String getMessage(String code, String defaultMessage) {
return getMessage(code, null, defaultMessage);
}
@Override
public String getMessage(String code, Object[] args, String defaultMessage) {
return getMessage(code, args, defaultMessage, getRequestAdapter().getLocale());
}
@Override
public String getMessage(String code, Locale locale) throws NoSuchMessageException {
return getMessage(code, (Object[])null, locale);
}
@Override
public String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException {
return activity.getActivityContext().getMessageSource().getMessage(code, args, locale);
}
@Override
public String getMessage(String code, String defaultMessage, Locale locale) {
return getMessage(code, null, defaultMessage, locale);
}
@Override
public String getMessage(String code, Object[] args, String defaultMessage, Locale locale) {
return activity.getActivityContext().getMessageSource().getMessage(code, args, defaultMessage, locale);
}
}