/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.operation.impl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jboss.as.cli.CommandArgument;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.CommandLineCompleter;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.handlers.SimpleTabCompleter;
import org.jboss.as.cli.impl.ValueTypeCompleter;
import org.jboss.as.cli.operation.OperationCandidatesProvider;
import org.jboss.as.cli.operation.OperationFormatException;
import org.jboss.as.cli.operation.OperationRequestAddress;
import org.jboss.as.cli.operation.OperationRequestHeader;
import org.jboss.as.cli.operation.ParsedCommandLine;
import org.jboss.as.cli.parsing.ParserUtil;
import org.jboss.as.controller.client.ModelControllerClient;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.dmr.Property;
/**
*
* @author Alexey Loubyansky
*/
public class DefaultOperationCandidatesProvider implements OperationCandidatesProvider {
private static final CommandLineCompleter BOOLEAN_HEADER_COMPLETER = new CommandLineCompleter(){
private final DefaultCallbackHandler parsedOp = new DefaultCallbackHandler();
@Override
public int complete(CommandContext ctx, String buffer, int cursor, List<String> candidates) {
try {
ParserUtil.parseHeaders(buffer, parsedOp);
} catch (CommandFormatException e) {
e.printStackTrace();
return -1;
}
if(parsedOp.endsOnSeparator()) {
candidates.add(Util.FALSE);
candidates.add(Util.TRUE);
return buffer.length();
}
if(parsedOp.getLastHeader() == null) {
candidates.add("=");
return buffer.length();
}
int result = SimpleTabCompleter.BOOLEAN.complete(ctx, buffer.substring(parsedOp.getLastChunkIndex()), cursor, candidates);
if(result < 0) {
return result;
}
return parsedOp.getLastChunkIndex() + result;
}};
private static final Map<String, OperationRequestHeader> HEADERS;
static {
HEADERS = new HashMap<String, OperationRequestHeader>();
HEADERS.put(RolloutPlanRequestHeader.INSTANCE.getName(), RolloutPlanRequestHeader.INSTANCE);
addBooleanHeader(Util.ALLOW_RESOURCE_SERVICE_RESTART);
addBooleanHeader(Util.ROLLBACK_ON_RUNTIME_FAILURE);
}
private static void addBooleanHeader(final String name) {
OperationRequestHeader header = new OperationRequestHeader(){
@Override
public String getName() {
return name;
}
@Override
public CommandLineCompleter getCompleter() {
return BOOLEAN_HEADER_COMPLETER;
}};
HEADERS.put(header.getName(), header);
}
/* (non-Javadoc)
* @see org.jboss.as.cli.CandidatesProvider#getNodeNames(org.jboss.as.cli.Prefix)
*/
@Override
public List<String> getNodeNames(CommandContext ctx, OperationRequestAddress prefix) {
ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
return Collections.emptyList();
}
if(prefix.isEmpty()) {
throw new IllegalArgumentException("The prefix must end on a type but it's empty.");
}
if(!prefix.endsOnType()) {
throw new IllegalArgumentException("The prefix doesn't end on a type.");
}
final ModelNode request;
DefaultOperationRequestBuilder builder = new DefaultOperationRequestBuilder(prefix);
try {
builder.setOperationName(Util.READ_CHILDREN_NAMES);
builder.addProperty(Util.CHILD_TYPE, prefix.getNodeType());
request = builder.buildRequest();
} catch (OperationFormatException e1) {
throw new IllegalStateException("Failed to build operation", e1);
}
List<String> result;
try {
ModelNode outcome = client.execute(request);
if (!Util.isSuccess(outcome)) {
// TODO logging... exception?
result = Collections.emptyList();
} else {
result = Util.getList(outcome);
}
} catch (Exception e) {
result = Collections.emptyList();
}
return result;
}
/* (non-Javadoc)
* @see org.jboss.as.cli.CandidatesProvider#getNodeTypes(org.jboss.as.cli.Prefix)
*/
@Override
public List<String> getNodeTypes(CommandContext ctx, OperationRequestAddress prefix) {
return Util.getNodeTypes(ctx.getModelControllerClient(), prefix);
}
@Override
public List<String> getOperationNames(CommandContext ctx, OperationRequestAddress prefix) {
ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
return Collections.emptyList();
}
if(prefix.endsOnType()) {
throw new IllegalArgumentException("The prefix isn't expected to end on a type.");
}
ModelNode request;
DefaultOperationRequestBuilder builder = new DefaultOperationRequestBuilder(prefix);
try {
builder.setOperationName(Util.READ_OPERATION_NAMES);
request = builder.buildRequest();
} catch (OperationFormatException e1) {
throw new IllegalStateException("Failed to build operation", e1);
}
List<String> result;
try {
ModelNode outcome = client.execute(request);
if (!Util.isSuccess(outcome)) {
// TODO logging... exception?
result = Collections.emptyList();
} else {
result = Util.getList(outcome);
}
} catch (Exception e) {
result = Collections.emptyList();
}
return result;
}
@Override
public List<CommandArgument> getProperties(CommandContext ctx, String operationName, OperationRequestAddress address) {
final ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
return Collections.emptyList();
}
/* if(address.endsOnType()) {
throw new IllegalArgumentException("The prefix isn't expected to end on a type.");
}
*/
final ModelNode request;
final DefaultOperationRequestBuilder builder = new DefaultOperationRequestBuilder(address);
try {
builder.setOperationName(Util.READ_OPERATION_DESCRIPTION);
builder.addProperty(Util.NAME, operationName);
request = builder.buildRequest();
} catch (OperationFormatException e1) {
throw new IllegalStateException("Failed to build operation", e1);
}
final Map<String,CommandLineCompleterFactory> globalOpProps = globalOpPropCompleters.get(operationName);
List<CommandArgument> result;
try {
ModelNode outcome = client.execute(request);
if (!Util.isSuccess(outcome)) {
result = Collections.emptyList();
} else {
final ModelNode resultNode = outcome.get(Util.RESULT);
if(!resultNode.isDefined()) {
return Collections.emptyList();
}
final ModelNode reqProps = resultNode.get(Util.REQUEST_PROPERTIES);
if(!reqProps.isDefined()) {
return Collections.emptyList();
}
final List<Property> propList = reqProps.asPropertyList();
result = new ArrayList<CommandArgument>(propList.size());
for(final Property prop : propList) {
final CommandLineCompleterFactory factory = globalOpProps == null ? null : globalOpProps.get(prop.getName());
CommandLineCompleter propCompleter = null;
if(factory != null) {
propCompleter = factory.createCompleter(address);
} else {
final ModelNode typeNode = prop.getValue().get(Util.TYPE);
if(typeNode.isDefined() && typeNode.asType().equals(ModelType.BOOLEAN)) {
propCompleter = SimpleTabCompleter.BOOLEAN;
} else {
if(prop.getValue().has(Util.VALUE_TYPE)) {
final ModelNode valueTypeNode = prop.getValue().get(Util.VALUE_TYPE);
try {
// the logic is: if value-type is set to a specific type
// (i.e. doesn't describe a custom structure)
// then if allowed is specified, use it.
// it might be broken but so far this is not looking clear to me
valueTypeNode.asType();
if(prop.getValue().has(Util.ALLOWED)) {
propCompleter = getAllowedCompleter(prop);
}
} catch(IllegalArgumentException e) {
// TODO this means value-type describes a custom structure
propCompleter = new ValueTypeCompleter(prop.getValue());
}
} else if(prop.getValue().has(Util.ALLOWED)) {
propCompleter = getAllowedCompleter(prop);
}
}
}
final CommandLineCompleter completer = propCompleter;
result.add(new CommandArgument(){
final String argName = prop.getName();
@Override
public String getFullName() {
return argName;
}
@Override
public String getShortName() {
return null;
}
@Override
public int getIndex() {
return -1;
}
@Override
public boolean isPresent(ParsedCommandLine args) throws CommandFormatException {
return args.hasProperty(argName);
}
@Override
public boolean canAppearNext(CommandContext ctx) throws CommandFormatException {
return !isPresent(ctx.getParsedCommandLine());
}
@Override
public String getValue(ParsedCommandLine args) throws CommandFormatException {
return args.getPropertyValue(argName);
}
@Override
public String getValue(ParsedCommandLine args, boolean required) throws CommandFormatException {
if(!isPresent(args)) {
throw new CommandFormatException("Property '" + argName + "' is missing required value.");
}
return args.getPropertyValue(argName);
}
@Override
public boolean isValueComplete(ParsedCommandLine args) throws CommandFormatException {
if(!isPresent(args)) {
return false;
}
if(argName.equals(args.getLastParsedPropertyName())) {
return false;
}
return true;
}
@Override
public boolean isValueRequired() {
return true;
}
@Override
public CommandLineCompleter getValueCompleter() {
return completer;
}});
}
}
} catch (Exception e) {
result = Collections.emptyList();
}
return result;
}
private CommandLineCompleter getAllowedCompleter(final Property prop) {
final ModelNode allowedNode = prop.getValue().get(Util.ALLOWED);
if(allowedNode.isDefined()) {
final List<ModelNode> nodeList = allowedNode.asList();
final String[] values = new String[nodeList.size()];
for(int i = 0; i < values.length; ++i) {
values[i] = nodeList.get(i).asString();
}
return new SimpleTabCompleter(values);
}
return null;
}
@Override
public Map<String, OperationRequestHeader> getHeaders(CommandContext ctx) {
return HEADERS;
}
private static final Map<String, Map<String, CommandLineCompleterFactory>> globalOpPropCompleters = new HashMap<String, Map<String, CommandLineCompleterFactory>>();
static void addGlobalOpPropCompleter(String op, String prop, CommandLineCompleterFactory factory) {
Map<String, CommandLineCompleterFactory> propMap = globalOpPropCompleters.get(op);
if(propMap == null) {
propMap = new HashMap<String,CommandLineCompleterFactory>();
globalOpPropCompleters.put(op, propMap);
}
propMap.put(prop, factory);
}
static CommandLineCompleterFactory getGlobalOpPropCompleter(String op, String prop) {
final Map<String, CommandLineCompleterFactory> propMap = globalOpPropCompleters.get(op);
return propMap == null ? null : propMap.get(prop);
}
static {
final CommandLineCompleterFactory attrNameCompleter = new CommandLineCompleterFactory(){
@Override
public CommandLineCompleter createCompleter(OperationRequestAddress address) {
return new PropertyNameCompleter(address, false);
}};
addGlobalOpPropCompleter(Util.UNDEFINE_ATTRIBUTE, Util.NAME, attrNameCompleter);
addGlobalOpPropCompleter(Util.READ_ATTRIBUTE, Util.NAME, attrNameCompleter);
addGlobalOpPropCompleter(Util.WRITE_ATTRIBUTE, Util.NAME, new CommandLineCompleterFactory(){
@Override
public CommandLineCompleter createCompleter(OperationRequestAddress address) {
return new PropertyNameCompleter(address, true);
}});
addGlobalOpPropCompleter(Util.WRITE_ATTRIBUTE, Util.VALUE, new CommandLineCompleterFactory(){
@Override
public CommandLineCompleter createCompleter(OperationRequestAddress address) {
return new SimpleDependentValueCompleter(address, Util.NAME);
}});
addGlobalOpPropCompleter(Util.READ_OPERATION_DESCRIPTION, Util.NAME, new CommandLineCompleterFactory(){
@Override
public CommandLineCompleter createCompleter(OperationRequestAddress address) {
return new OperationNameCompleter(address);
}});
final CommandLineCompleterFactory childTypeCompleter = new CommandLineCompleterFactory(){
@Override
public CommandLineCompleter createCompleter(OperationRequestAddress address) {
return new ChildTypeCompleter(address);
}};
addGlobalOpPropCompleter(Util.READ_CHILDREN_NAMES, Util.CHILD_TYPE, childTypeCompleter);
addGlobalOpPropCompleter(Util.READ_CHILDREN_RESOURCES, Util.CHILD_TYPE, childTypeCompleter);
}
interface CommandLineCompleterFactory {
CommandLineCompleter createCompleter(OperationRequestAddress address);
}
}