org.glassfish.api.admin.CommandModel Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-embedded-all Show documentation
Show all versions of payara-embedded-all Show documentation
Payara-Embedded-All Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2008-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.api.admin;
import org.glassfish.api.Param;
import java.util.Collection;
import java.util.ArrayList;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.beans.Introspector;
/**
* Model for an administrative command
*
* @author Jerome Dochez
*/
public abstract class CommandModel {
/**
* Returns the command name as it is typed by the user.
*
* @return the command name
*/
public abstract String getCommandName();
/**
* Returns a localized description for this command
*
* @return a localized displayable description
*/
public abstract String getLocalizedDescription();
/**
* Returns a localized usage text for this command or null if the usage
* text should be generated from this model.
*
* @return the usage text
*/
public abstract String getUsageText();
/**
* Returns the parameter model for a particular parameter
*
* @param paramName the requested parameter model name
* @return the parameter model if the command supports a parameter of the passed
* name or null if not.
*/
public abstract ParamModel getModelFor(String paramName);
/**
* Returns a collection of parameter names supported by this admininstrative command
*
* @return all the command's paramter names.
*/
public abstract Collection getParametersNames();
/**
* Return the class that defines the command. Normally this will be
* the class that provides the implementation of the command, but for
* generic CRUD commands it might be the config class that defines the
* command. The command class is used to locate resources related to
* the command, e.g., the command's man page. If the command model
* isn't associated with a command class, null is returned.
*
* @return the command class, or null if none
*/
public abstract Class> getCommandClass();
/** This command is managed job. It is preferred to listen using SSE
* in case of remote execution.
*
* @return {@code true} only if command is @ManagedJob
*/
public abstract boolean isManagedJob();
/**
* Return the cluster parameters for this command or null if none are
* specified and defaults should be used.
*
* @return a {@link ExecuteOn} annotation instance or null
*/
public abstract ExecuteOn getClusteringAttributes();
/**
* Add a ParamModel for this command
* @param model the new param model to be added
*/
public abstract void add(ParamModel model);
/**
* Returns a collection of parameter model for all the parameters supported
* by this command.
*
* @return the command's parameters models.
*/
public Collection getParameters() {
ArrayList copy = new ArrayList();
for (String name : getParametersNames()) {
copy.add(getModelFor(name));
}
return copy;
}
/**
* Get the Param name. First it checks if the annotated Param
* includes a name, if not then it gets the name from the field.
* If the parameter is a password, add the prefix and change the
* name to upper case.
*
* @param param class annotation
* @param annotated annotated field or method
* @return the name of the param
*/
public static String getParamName(Param param, AnnotatedElement annotated) {
String name = param.name();
if (name.equals("")) {
if (annotated instanceof Field) {
name = ((Field) annotated).getName();
}
if (annotated instanceof Method) {
if ( ((Method) annotated).getName().startsWith("is")) {
name = ((Method) annotated).getName().substring(2);
} else {
name = ((Method) annotated).getName().substring(3);
}
name = Introspector.decapitalize(name);
}
}
return name;
}
/**
* Model for a command parameter.
*
*/
public static abstract class ParamModel {
/**
* Returns the command parameter name.
*
* @return the command parameter name
*/
public abstract String getName();
/**
* Returns the command @Param annotation values.
*
* @return the @Param instance for this parameter
*/
public abstract Param getParam();
/**
* Returns a localized description for this parameter
*
* @return a localized String
*/
public abstract String getLocalizedDescription();
/**
* Returns a localized prompt for this parameter
*
* @return a localized String
*/
public abstract String getLocalizedPrompt();
/**
* Returns a localized confirmation prompt for this parameter. This is
* only used for passwords.
*
* @return a localized String
*/
public abstract String getLocalizedPromptAgain();
/**
* Returns the parameter type.
*
* @return the parameter type.
*/
public abstract Class getType();
public boolean isParamId(String key) {
if (getParam().primary()) {
return "DEFAULT".equals(key) || getName().equalsIgnoreCase(key);
}
return getName().equalsIgnoreCase(key) ||
getParam().shortName().equals(key) ||
getParam().alias().equalsIgnoreCase(key);
}
}
/**
* Should an unknown option be considered an operand by asadmin?
* @return true if unknown options are operands.
*/
public boolean unknownOptionsAreOperands() {
return false; // default implementation
}
}