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/*
* 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.handlers;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.impl.ArgumentWithValue;
import org.jboss.as.cli.impl.ArgumentWithoutValue;
import org.jboss.as.cli.operation.CommandLineParser;
import org.jboss.as.cli.operation.OperationFormatException;
import org.jboss.as.cli.operation.OperationRequestAddress;
import org.jboss.as.cli.operation.OperationRequestAddress.Node;
import org.jboss.as.cli.operation.OperationRequestCompleter;
import org.jboss.as.cli.operation.ParsedCommandLine;
import org.jboss.as.cli.operation.impl.DefaultCallbackHandler;
import org.jboss.as.cli.operation.impl.DefaultOperationRequestAddress;
import org.jboss.as.cli.util.SimpleTable;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
/**
*
* @author Alexey Loubyansky
*/
public class LsHandler extends CommandHandlerWithHelp {
private final ArgumentWithValue nodePath;
private final ArgumentWithoutValue l;
public LsHandler() {
this("ls");
}
public LsHandler(String command) {
super(command, true);
l = new ArgumentWithoutValue(this, "-l");
nodePath = new ArgumentWithValue(this, OperationRequestCompleter.ARG_VALUE_COMPLETER, 0, "--node-path");
}
@Override
protected void doHandle(CommandContext ctx) throws CommandFormatException {
final ParsedCommandLine parsedCmd = ctx.getParsedCommandLine();
String nodePath = this.nodePath.getValue(parsedCmd);
final OperationRequestAddress address;
if (nodePath != null) {
address = new DefaultOperationRequestAddress(ctx.getCurrentNodePath());
CommandLineParser.CallbackHandler handler = new DefaultCallbackHandler(address);
// this is for correct parsing of escaped characters
nodePath = ctx.getArgumentsString();
if(l.isPresent(parsedCmd)) {
nodePath = nodePath.trim();
if(nodePath.startsWith("-l ")) {
nodePath = nodePath.substring(3);
} else {
nodePath = nodePath.substring(0, nodePath.length() - 3);
}
}
ctx.getCommandLineParser().parse(nodePath, handler);
} else {
address = new DefaultOperationRequestAddress(ctx.getCurrentNodePath());
}
List names = null;
if(address.endsOnType()) {
final String type = address.getNodeType();
address.toParentNode();
names = Util.getNodeNames(ctx.getModelControllerClient(), address, type);
printList(ctx, names, l.isPresent(parsedCmd));
return;
}
final ModelNode composite = new ModelNode();
composite.get(Util.OPERATION).set(Util.COMPOSITE);
composite.get(Util.ADDRESS).setEmptyList();
final ModelNode steps = composite.get(Util.STEPS);
{
final ModelNode typesRequest = new ModelNode();
typesRequest.get(Util.OPERATION).set(Util.READ_CHILDREN_TYPES);
final ModelNode addressNode = typesRequest.get(Util.ADDRESS);
if (address.isEmpty()) {
addressNode.setEmptyList();
} else {
Iterator iterator = address.iterator();
while (iterator.hasNext()) {
OperationRequestAddress.Node node = iterator.next();
if (node.getName() != null) {
addressNode.add(node.getType(), node.getName());
} else if (iterator.hasNext()) {
throw new OperationFormatException(
"Expected a node name for type '"
+ node.getType()
+ "' in path '"
+ ctx.getNodePathFormatter().format(
address) + "'");
}
}
}
steps.add(typesRequest);
}
{
final ModelNode resourceRequest = new ModelNode();
resourceRequest.get(Util.OPERATION).set(Util.READ_RESOURCE);
final ModelNode addressNode = resourceRequest.get(Util.ADDRESS);
if (address.isEmpty()) {
addressNode.setEmptyList();
} else {
Iterator iterator = address.iterator();
while (iterator.hasNext()) {
OperationRequestAddress.Node node = iterator.next();
if (node.getName() != null) {
addressNode.add(node.getType(), node.getName());
} else if (iterator.hasNext()) {
throw new OperationFormatException(
"Expected a node name for type '"
+ node.getType()
+ "' in path '"
+ ctx.getNodePathFormatter().format(
address) + "'");
}
}
}
resourceRequest.get(Util.INCLUDE_RUNTIME).set(Util.TRUE);
steps.add(resourceRequest);
}
final String[] additionalProps;
if (l.isPresent(parsedCmd)) {
steps.add(Util.buildRequest(ctx, address, Util.READ_RESOURCE_DESCRIPTION));
final Set argNames = parsedCmd.getPropertyNames();
if (argNames.size() > 1) {
additionalProps = new String[argNames.size() - 1];
int i = 0;
for (String arg : argNames) {
if (arg.equals(l.getFullName())) {
continue;
}
final String prop;
if (arg.length() > 1 && arg.charAt(0) == '-') {
if (arg.charAt(1) == '-') {
prop = arg.substring(2);
} else {
prop = arg.substring(1);
}
} else {
prop = arg;
}
additionalProps[i++] = prop;
}
} else {
additionalProps = null;
}
} else {
additionalProps = null;
}
ModelNode outcome;
try {
outcome = ctx.getModelControllerClient().execute(composite);
} catch (IOException e) {
throw new CommandFormatException("Failed to read resource: "
+ e.getLocalizedMessage(), e);
}
if (Util.isSuccess(outcome)) {
if (outcome.hasDefined(Util.RESULT)) {
ModelNode resultNode = outcome.get(Util.RESULT);
ModelNode attrDescriptions = null;
ModelNode childDescriptions = null;
if (resultNode.hasDefined(Util.STEP_3)) {
final ModelNode stepOutcome = resultNode.get(Util.STEP_3);
if (Util.isSuccess(stepOutcome)) {
if (stepOutcome.hasDefined(Util.RESULT)) {
final ModelNode descrResult = stepOutcome.get(Util.RESULT);
if (descrResult.hasDefined(Util.ATTRIBUTES)) {
attrDescriptions = descrResult.get(Util.ATTRIBUTES);
}
if (descrResult.hasDefined(Util.CHILDREN)) {
childDescriptions = descrResult.get(Util.CHILDREN);
}
} else {
throw new CommandFormatException("Result is not available for read-resource-description request: " + outcome);
}
} else {
throw new CommandFormatException("Failed to get resource description: " + outcome);
}
}
List typeNames = null;
if (resultNode.hasDefined(Util.STEP_1)) {
ModelNode typesOutcome = resultNode.get(Util.STEP_1);
if (Util.isSuccess(typesOutcome)) {
if (typesOutcome.hasDefined(Util.RESULT)) {
final ModelNode resourceResult = typesOutcome.get(Util.RESULT);
final List types = resourceResult.asList();
if (!types.isEmpty()) {
typeNames = new ArrayList();
for (ModelNode type : types) {
typeNames.add(type.asString());
}
if (childDescriptions == null && attrDescriptions == null) {
names = typeNames;
}
}
} else {
throw new CommandFormatException("Result is not available for read-children-types request: " + outcome);
}
} else {
throw new CommandFormatException("Failed to fetch type names: " + outcome);
}
} else {
throw new CommandFormatException("The result for children type names is not available: " + outcome);
}
if (resultNode.hasDefined(Util.STEP_2)) {
ModelNode resourceOutcome = resultNode.get(Util.STEP_2);
if (Util.isSuccess(resourceOutcome)) {
if (resourceOutcome.hasDefined(Util.RESULT)) {
final ModelNode resourceResult = resourceOutcome.get(Util.RESULT);
final List props = resourceResult.asPropertyList();
if (!props.isEmpty()) {
final SimpleTable attrTable;
if (attrDescriptions == null) {
attrTable = null;
} else {
if (additionalProps != null) {
String[] headers = new String[3 + additionalProps.length];
headers[0] = "ATTRIBUTE";
headers[1] = "VALUE";
headers[2] = "TYPE";
int i = 3;
for (String additional : additionalProps) {
headers[i++] = additional.toUpperCase(Locale.ENGLISH);
}
attrTable = new SimpleTable(headers);
} else {
attrTable = new SimpleTable(new String[] { "ATTRIBUTE", "VALUE", "TYPE" });
}
}
SimpleTable childrenTable = childDescriptions == null ? null : new SimpleTable(new String[] { "CHILD", "MIN-OCCURS", "MAX-OCCURS" });
if (typeNames == null && attrTable == null && childrenTable == null) {
typeNames = new ArrayList();
}
for (Property prop : props) {
final StringBuilder buf = new StringBuilder();
if (typeNames == null || !typeNames.contains(prop.getName())) {
if (attrDescriptions == null) {
buf.append(prop.getName());
buf.append('=');
buf.append(prop.getValue().asString());
// TODO the value should be formatted nicer but the current
// formatter uses new lines for complex value which doesn't work here
// final ModelNode value = prop.getValue();
// ModelNodeFormatter.Factory.forType(value.getType()).format(buf, 0, value);
typeNames.add(buf.toString());
buf.setLength(0);
} else {
final String[] line = new String[attrTable.columnsTotal()];
line[0] = prop.getName();
line[1] = prop.getValue().asString();
if (attrDescriptions.hasDefined(prop.getName())) {
final ModelNode attrDescr = attrDescriptions.get(prop.getName());
line[2] = getAsString(attrDescr, Util.TYPE);
if (additionalProps != null) {
int i = 3;
for (String additional : additionalProps) {
line[i++] = getAsString(attrDescr, additional);
}
}
} else {
for (int i = 2; i < line.length; ++i) {
line[i] = "n/a";
}
}
attrTable.addLine(line);
}
} else if (childDescriptions != null) {
if (childDescriptions.hasDefined(prop.getName())) {
final ModelNode childDescr = childDescriptions.get(prop.getName());
final Integer maxOccurs = getAsInteger(childDescr, Util.MAX_OCCURS);
childrenTable.addLine(new String[] {prop.getName(), getAsString(childDescr, Util.MIN_OCCURS), maxOccurs == null ? "n/a"
: (maxOccurs == Integer.MAX_VALUE ? "unbounded" : maxOccurs.toString()) });
} else {
childrenTable.addLine(new String[] {prop.getName(), "n/a", "n/a" });
}
}
}
StringBuilder buf = null;
if (attrTable != null && !attrTable.isEmpty()) {
buf = new StringBuilder();
attrTable.append(buf, true);
}
if (childrenTable != null
&& !childrenTable.isEmpty()) {
if (buf == null) {
buf = new StringBuilder();
} else {
buf.append("\n\n");
}
childrenTable.append(buf, true);
}
if (buf != null) {
ctx.printLine(buf.toString());
}
}
} else {
throw new CommandFormatException("Result is not available for read-resource request: " + outcome);
}
} else {
throw new CommandFormatException("Failed to fetch attributes: " + outcome);
}
} else {
throw new CommandFormatException("The result for attributes is not available: " + outcome);
}
}
} else {
throw new CommandFormatException("Failed to fetch the list of children: " + outcome);
}
if(names != null) {
printList(ctx, names, l.isPresent(parsedCmd));
}
}
protected String getAsString(final ModelNode attrDescr, String name) {
if(attrDescr == null) {
return "n/a";
}
return attrDescr.has(name) ? attrDescr.get(name).asString() : "n/a";
}
protected Integer getAsInteger(final ModelNode attrDescr, String name) {
if(attrDescr == null) {
return null;
}
return attrDescr.has(name) ? attrDescr.get(name).asInt() : null;
}
/*
public static void main(String[] args) throws Exception {
//System.out.printf("%-8s %-11s %-8s %-11s", "name", "type", "required", "access-type");
SimpleTable t = new SimpleTable(new String[]{"NAME", "TYPE", "REQUIRED", "ACCESS-TYPE", "VALUE"});
t.addLine(new String[]{"name1", "big_integer", "true", "read-write", "12"});
t.addLine(new String[]{"some name", "int", "false", "read-only", null});
System.out.println(t.toString());
}
*/
}
