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269 lines (217 loc) · 9.6 KB
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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* 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 org.androidannotations.holder;
import static com.sun.codemodel.JExpr._new;
import static com.sun.codemodel.JExpr._this;
import static com.sun.codemodel.JMod.FINAL;
import static com.sun.codemodel.JMod.PUBLIC;
import static org.androidannotations.helper.CanonicalNameConstants.REST_TEMPLATE;
import static org.androidannotations.helper.CanonicalNameConstants.STRING;
import java.util.List;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeKind;
import org.androidannotations.api.rest.RestErrorHandler;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.helper.ModelConstants;
import org.androidannotations.process.ProcessHolder;
import com.sun.codemodel.ClassType;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
public class RestHolder extends BaseGeneratedClassHolder {
private JMethod init;
private JFieldVar rootUrlField;
private JFieldVar restTemplateField;
private JFieldVar availableHeadersField;
private JFieldVar availableCookiesField;
private JFieldVar authenticationField;
private JFieldVar restErrorHandlerField;
public RestHolder(ProcessHolder processHolder, TypeElement annotatedElement) throws Exception {
super(processHolder, annotatedElement);
implementMethods();
}
@Override
protected void setGeneratedClass() throws Exception {
String annotatedComponentQualifiedName = annotatedElement.getQualifiedName().toString();
String subComponentQualifiedName = annotatedComponentQualifiedName + ModelConstants.GENERATION_SUFFIX;
JClass annotatedComponent = codeModel().directClass(annotatedComponentQualifiedName);
generatedClass = codeModel()._class(PUBLIC | FINAL, subComponentQualifiedName, ClassType.CLASS);
generatedClass._implements(annotatedComponent);
}
private void implementMethods() {
List<ExecutableElement> methods = codeModelHelper.getMethods(getAnnotatedElement());
// rest template
implementGetRestTemplate(methods);
implementSetRestTemplate(methods);
// root url
implementGetRootUrl(methods);
implementSetRootUrl(methods);
// authentication
implementSetBasicAuth(methods);
implementSetAuthentication(methods);
// cookies and headers
implementGetCookie(methods);
implementGetHeader(methods);
implementSetCookie(methods);
implementSetHeader(methods);
// error handler.
implementSetErrorHandler(methods);
}
private void implementGetRestTemplate(List<ExecutableElement> methods) {
JMethod getRestTemplateMethod = codeModelHelper.implementMethod(this, methods, null, REST_TEMPLATE);
if (getRestTemplateMethod != null) {
getRestTemplateMethod.body()._return(getRestTemplateField());
}
}
private void implementSetRestTemplate(List<ExecutableElement> methods) {
JMethod setRestTemplateMethod = codeModelHelper.implementMethod(this, methods, null, TypeKind.VOID.toString(), REST_TEMPLATE);
if (setRestTemplateMethod != null) {
setRestTemplateMethod.body().assign(_this().ref(getRestTemplateField()), setRestTemplateMethod.params().get(0));
}
}
private void implementGetRootUrl(List<ExecutableElement> methods) {
JMethod getRootUrlMethod = codeModelHelper.implementMethod(this, methods, "getRootUrl", STRING);
if (getRootUrlMethod != null) {
getRootUrlMethod.body()._return(getRootUrlField());
}
}
private void implementSetRootUrl(List<ExecutableElement> methods) {
JMethod setRootUrlMethod = codeModelHelper.implementMethod(this, methods, "setRootUrl", TypeKind.VOID.toString(), STRING);
if (setRootUrlMethod != null) {
setRootUrlMethod.body().assign(_this().ref(getRootUrlField()), setRootUrlMethod.params().get(0));
}
}
private void implementSetBasicAuth(List<ExecutableElement> methods) {
JMethod setAuthMethod = codeModelHelper.implementMethod(this, methods, "setHttpBasicAuth", TypeKind.VOID.toString(), STRING, STRING);
if (setAuthMethod != null) {
JClass basicAuthClass = classes().HTTP_BASIC_AUTHENTICATION;
JInvocation basicAuthentication = JExpr._new(basicAuthClass).arg(setAuthMethod.params().get(0)).arg(setAuthMethod.params().get(1));
setAuthMethod.body().assign(_this().ref(getAuthenticationField()), basicAuthentication);
}
}
private void implementSetAuthentication(List<ExecutableElement> methods) {
JMethod setAuthMethod = codeModelHelper.implementMethod(this, methods, "setAuthentication", TypeKind.VOID.toString(), CanonicalNameConstants.HTTP_AUTHENTICATION);
if (setAuthMethod != null) {
setAuthMethod.body().assign(_this().ref(getAuthenticationField()), setAuthMethod.params().get(0));
}
}
private void implementGetCookie(List<ExecutableElement> methods) {
JMethod getCookieMethod = codeModelHelper.implementMethod(this, methods, "getCookie", STRING, STRING);
if (getCookieMethod != null) {
JInvocation cookieValue = JExpr.invoke(getAvailableCookiesField(), "get").arg(getCookieMethod.params().get(0));
getCookieMethod.body()._return(cookieValue);
}
}
private void implementGetHeader(List<ExecutableElement> methods) {
JMethod getHeaderMethod = codeModelHelper.implementMethod(this, methods, "getHeader", STRING, STRING);
if (getHeaderMethod != null) {
JInvocation headerValue = JExpr.invoke(getAvailableHeadersField(), "get").arg(getHeaderMethod.params().get(0));
getHeaderMethod.body()._return(headerValue);
}
}
private void implementSetCookie(List<ExecutableElement> methods) {
JMethod setCookieMethod = codeModelHelper.implementMethod(this, methods, "setCookie", TypeKind.VOID.toString(), STRING, STRING);
if (setCookieMethod != null) {
setCookieMethod.body().invoke(getAvailableCookiesField(), "put").arg(setCookieMethod.params().get(0)).arg(setCookieMethod.params().get(1));
}
}
private void implementSetHeader(List<ExecutableElement> methods) {
JMethod setHeaderMethod = codeModelHelper.implementMethod(this, methods, "setHeader", TypeKind.VOID.toString(), STRING, STRING);
if (setHeaderMethod != null) {
setHeaderMethod.body().invoke(getAvailableHeadersField(), "put").arg(setHeaderMethod.params().get(0)).arg(setHeaderMethod.params().get(1));
}
}
private void implementSetErrorHandler(List<ExecutableElement> methods) {
JMethod setErrorHandlerMethod = codeModelHelper.implementMethod(this, methods, "setRestErrorHandler", TypeKind.VOID.toString(), RestErrorHandler.class.getName());
if (setErrorHandlerMethod != null) {
setRestErrorHandlerField();
setErrorHandlerMethod.body().assign(_this().ref(getRestErrorHandlerField()), setErrorHandlerMethod.params().get(0));
}
}
public JMethod getInit() {
if (init == null) {
setInit();
}
return init;
}
private void setInit() {
init = getGeneratedClass().constructor(JMod.PUBLIC);
}
public JFieldVar getRootUrlField() {
if (rootUrlField == null) {
setRootUrlField();
}
return rootUrlField;
}
private void setRootUrlField() {
rootUrlField = getGeneratedClass().field(JMod.PRIVATE, classes().STRING, "rootUrl");
}
public JFieldVar getRestTemplateField() {
if (restTemplateField == null) {
setRestTemplateField();
}
return restTemplateField;
}
private void setRestTemplateField() {
restTemplateField = getGeneratedClass().field(JMod.PRIVATE, classes().REST_TEMPLATE, "restTemplate");
getInit().body().assign(restTemplateField, _new(classes().REST_TEMPLATE));
}
public JFieldVar getAvailableHeadersField() {
if (availableHeadersField == null) {
setAvailableHeadersField();
}
return availableHeadersField;
}
private void setAvailableHeadersField() {
JClass stringClass = classes().STRING;
JClass mapClass = classes().HASH_MAP.narrow(stringClass, stringClass);
availableHeadersField = getGeneratedClass().field(JMod.PRIVATE, mapClass, "availableHeaders");
getInit().body().assign(availableHeadersField, _new(mapClass));
}
public JFieldVar getAvailableCookiesField() {
if (availableCookiesField == null) {
setAvailableCookiesField();
}
return availableCookiesField;
}
private void setAvailableCookiesField() {
JClass stringClass = classes().STRING;
JClass mapClass = classes().HASH_MAP.narrow(stringClass, stringClass);
availableCookiesField = getGeneratedClass().field(JMod.PRIVATE, mapClass, "availableCookies");
getInit().body().assign(availableCookiesField, _new(mapClass));
}
public JFieldVar getAuthenticationField() {
if (authenticationField == null) {
setAuthenticationField();
}
return authenticationField;
}
private void setAuthenticationField() {
authenticationField = getGeneratedClass().field(JMod.PRIVATE, classes().HTTP_AUTHENTICATION, "authentication");
}
public JFieldVar getRestErrorHandlerField() {
// restErrorHandlerField is created only if the method setRestErrorHandler is implemented
return restErrorHandlerField;
}
private void setRestErrorHandlerField() {
JClass restErrorHandlerClass = refClass(RestErrorHandler.class.getName());
restErrorHandlerField = getGeneratedClass().field(JMod.PRIVATE, restErrorHandlerClass, "restErrorHandler");
}
}