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org.wildfly.httpclient.ejb.HttpEJBInvocationBuilder Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.wildfly.httpclient.ejb;
import io.undertow.client.ClientRequest;
import io.undertow.util.Headers;
import io.undertow.util.Methods;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Method;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
/**
* Builder for invocations against a specific EJB, such as invocation and session open
*
* @author Stuart Douglas
*/
class HttpEJBInvocationBuilder {
private static final String INVOCATION_ACCEPT = "application/x-wf-ejb-response;version=1,application/x-wf-jbmar-exception;version=1";
private static final String STATEFUL_CREATE_ACCEPT = "application/x-wf-jbmar-exception;version=1";
private String appName;
private String moduleName;
private String distinctName;
private String beanName;
private String beanId;
private String view;
private Method method;
private InvocationType invocationType;
private String invocationId;
private int version = 1;
private boolean cancelIfRunning;
public String getAppName() {
return appName;
}
public HttpEJBInvocationBuilder setAppName(String appName) {
this.appName = appName;
return this;
}
public String getModuleName() {
return moduleName;
}
public HttpEJBInvocationBuilder setModuleName(String moduleName) {
this.moduleName = moduleName;
return this;
}
public String getDistinctName() {
return distinctName;
}
public HttpEJBInvocationBuilder setDistinctName(String distinctName) {
this.distinctName = distinctName;
return this;
}
public String getBeanName() {
return beanName;
}
public HttpEJBInvocationBuilder setBeanName(String beanName) {
this.beanName = beanName;
return this;
}
public String getBeanId() {
return beanId;
}
public HttpEJBInvocationBuilder setBeanId(String beanId) {
this.beanId = beanId;
return this;
}
public Method getMethod() {
return method;
}
public HttpEJBInvocationBuilder setMethod(Method method) {
this.method = method;
return this;
}
public String getView() {
return view;
}
public HttpEJBInvocationBuilder setView(String view) {
this.view = view;
return this;
}
public InvocationType getInvocationType() {
return invocationType;
}
public HttpEJBInvocationBuilder setInvocationType(InvocationType invocationType) {
this.invocationType = invocationType;
return this;
}
public String getInvocationId() {
return invocationId;
}
public HttpEJBInvocationBuilder setInvocationId(String invocationId) {
this.invocationId = invocationId;
return this;
}
public int getVersion() {
return version;
}
public HttpEJBInvocationBuilder setVersion(int version) {
this.version = version;
return this;
}
/**
* Constructs an EJB invocation path
*
* @param mountPoint The mount point of the EJB context
* @param appName The application name
* @param moduleName The module name
* @param distinctName The distinct name
* @param beanName The bean name
* @return The request path to invoke
*/
private String buildPath(final String mountPoint, String type, final String appName, final String moduleName, final String distinctName, final String beanName) {
StringBuilder sb = new StringBuilder();
buildBeanPath(mountPoint, type, appName, moduleName, distinctName, beanName, sb);
return sb.toString();
}
/**
* Constructs an EJB invocation path
*
* @param mountPoint The mount point of the EJB context
* @param appName The application name
* @param moduleName The module name
* @param distinctName The distinct name
* @param beanName The bean name
* @return The request path to invoke
*/
private String buildPath(final String mountPoint, String type, final String appName, final String moduleName, final String distinctName, final String beanName, String invocationId, boolean cancelIfRunning) {
StringBuilder sb = new StringBuilder();
buildBeanPath(mountPoint, type, appName, moduleName, distinctName, beanName, sb);
sb.append("/");
sb.append(invocationId);
sb.append("/");
sb.append(Boolean.toString(cancelIfRunning));
return sb.toString();
}
/**
* Constructs an EJB invocation path
*
* @param mountPoint The mount point of the EJB context
* @param appName The application name
* @param moduleName The module name
* @param distinctName The distinct name
* @param beanName The bean name
* @param beanId The bean id
* @return The request path to invoke
*/
private String buildPath(final String mountPoint, String type, final String appName, final String moduleName, final String distinctName, final String beanName, final String beanId, final String view, final Method method) {
StringBuilder sb = new StringBuilder();
buildBeanPath(mountPoint, type, appName, moduleName, distinctName, beanName, sb);
sb.append("/");
if (beanId == null) {
sb.append("-");
} else {
sb.append(beanId);
}
sb.append("/");
sb.append(view);
sb.append("/");
sb.append(method.getName());
for (final Class param : method.getParameterTypes()) {
sb.append("/");
sb.append(encodeUrlPart(param.getName()));
}
return sb.toString();
}
private void buildBeanPath(String mountPoint, String type, String appName, String moduleName, String distinctName, String beanName, StringBuilder sb) {
buildModulePath(mountPoint, type, appName, moduleName, distinctName, sb);
sb.append("/");
sb.append(encodeUrlPart(beanName));
}
private void buildModulePath(String mountPoint, String type, String appName, String moduleName, String distinctName, StringBuilder sb) {
if (mountPoint != null) {
sb.append(mountPoint);
}
sb.append("/ejb/v");
sb.append(version);
sb.append("/");
sb.append(type);
sb.append("/");
if (appName == null || appName.isEmpty()) {
sb.append("-");
} else {
sb.append(encodeUrlPart(appName));
}
sb.append("/");
if (moduleName == null || moduleName.isEmpty()) {
sb.append("-");
} else {
sb.append(encodeUrlPart(moduleName));
}
sb.append("/");
if (distinctName == null || distinctName.isEmpty()) {
sb.append("-");
} else {
sb.append(encodeUrlPart(distinctName));
}
}
private static String encodeUrlPart(final String part) {
try {
return URLEncoder.encode(part, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
public ClientRequest createRequest(String mountPoint) {
ClientRequest clientRequest = new ClientRequest();
if (invocationType == InvocationType.METHOD_INVOCATION) {
clientRequest.setMethod(Methods.POST);
clientRequest.getRequestHeaders().add(Headers.ACCEPT, INVOCATION_ACCEPT);
if (invocationId != null) {
clientRequest.getRequestHeaders().put(EjbHeaders.INVOCATION_ID, invocationId);
}
clientRequest.setPath(buildPath(mountPoint, "invoke", appName, moduleName, distinctName, beanName, beanId, view, method));
clientRequest.getRequestHeaders().put(Headers.CONTENT_TYPE, EjbHeaders.INVOCATION_VERSION_ONE);
} else if (invocationType == InvocationType.STATEFUL_CREATE) {
clientRequest.setMethod(Methods.POST);
clientRequest.getRequestHeaders().put(Headers.CONTENT_TYPE, EjbHeaders.SESSION_OPEN_VERSION_ONE);
clientRequest.setPath(buildPath(mountPoint,"open", appName, moduleName, distinctName, beanName));
clientRequest.getRequestHeaders().add(Headers.ACCEPT, STATEFUL_CREATE_ACCEPT);
} else if(invocationType == InvocationType.CANCEL) {
clientRequest.setMethod(Methods.DELETE);
clientRequest.setPath(buildPath(mountPoint,"cancel", appName, moduleName, distinctName, beanName, invocationId, cancelIfRunning));
}
return clientRequest;
}
public HttpEJBInvocationBuilder setCancelIfRunning(boolean cancelIfRunning) {
this.cancelIfRunning = cancelIfRunning;
return this;
}
public boolean isCancelIfRunning() {
return cancelIfRunning;
}
public enum InvocationType {
METHOD_INVOCATION,
STATEFUL_CREATE,
CANCEL,
}
}
