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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.sca.shell;
import static java.lang.System.in;
import static java.lang.System.out;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.common.java.io.IOHelper;
import org.apache.tuscany.sca.contribution.Artifact;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.monitor.ValidationException;
import org.apache.tuscany.sca.node2.Node;
import org.apache.tuscany.sca.node2.NodeFactory;
import org.apache.tuscany.sca.runtime.ActivationException;
import org.apache.tuscany.sca.runtime.Version;
import org.apache.tuscany.sca.shell.jline.JLine;
/**
* A little SCA command shell.
*/
public class Shell {
private boolean useJline;
final List history = new ArrayList();
private NodeFactory factory;
private String currentDomain = "";
private Map standaloneNodes = new HashMap();
private Map nodes = new HashMap();
public static final String[] COMMANDS = new String[] {"bye", "domain", "domains", "help", "install", "installed",
"load", "remove", "run", "save", "start", "status",
"stop"};
public static void main(final String[] args) throws Exception {
boolean useJline = true;
String domainURI = "default";
for (String s : args) {
if ("-nojline".equals(s)) {
useJline = false;
} else {
domainURI = s;
}
}
new Shell(domainURI, useJline).run();
}
public Shell(String domainURI, boolean useJLine) {
this.factory = NodeFactory.newInstance();
this.useJline = useJLine;
if (domainURI != null) {
domain(domainURI);
}
}
boolean domain(final String domainURI) {
if (domainURI.length() < 1) {
currentDomain = "";
} else {
for (Node node : nodes.values()) {
if (domainURI.equals(node.getDomainName())) {
currentDomain = node.getDomainName();
return true;
}
}
Node node = factory.createNode(domainURI);
currentDomain = node.getDomainName();
nodes.put(currentDomain, node);
}
return true;
}
boolean domains() {
for (Node node : nodes.values()) {
System.out.println(node.getDomainName());
}
return true;
}
boolean install(final List toks) throws ContributionReadException, ActivationException, ValidationException {
if (getNode() == null) {
out.println("not in domain, use domain command first");
return true;
}
boolean startDeployables = toks.contains("-start");
String metaDataURL = null;
if (toks.contains("-metadata")) {
metaDataURL = toks.get(toks.indexOf("-metadata") + 1);
}
List duris = null;
if (toks.contains("-duris")) {
duris = Arrays.asList(toks.get(toks.indexOf("-duris") + 1).split(","));
}
String first = null;
String second = null;
for (int i = 1; i < toks.size(); i++) {
if (toks.get(i).startsWith("-")) {
if (!toks.get(i).equals("-start")) {
i++;
}
} else {
if (first == null) {
first = toks.get(i);
} else {
second = toks.get(i);
break;
}
}
}
String curi = null;
String curl = null;
if (second != null) {
curi = first;
curl = second;
} else {
curl = first;
}
String uri = getNode().installContribution(curi, curl, metaDataURL, duris, startDeployables);
out.println("installed at: " + uri);
return true;
}
boolean installed(final List toks) {
List curis;
if (toks.size() > 1) {
curis = Arrays.asList(new String[] {toks.get(1)});
} else {
if (getNode() == null) {
return true;
}
curis = getNode().getInstalledContributions();
}
for (String curi : curis) {
out.println(curi + " " + getNode().getInstalledContribution(curi).getLocation());
Contribution c = getNode().getInstalledContribution(curi);
List deployeds = getNode().getDeployedComposites(curi);
for (Artifact a : c.getArtifacts()) {
if (a.getModel() instanceof Composite) {
Composite composite = (Composite)a.getModel();
String running = deployeds.contains(composite.getURI()) ? "***running***" : "";
out.println(" " + composite.getURI() + " " + composite.getName() + " " + running);
}
}
}
return true;
}
boolean listComposites(final String curi) {
if (getNode() == null) {
return true;
}
Contribution c = getNode().getInstalledContribution(curi);
for (Artifact a : c.getArtifacts()) {
if (a.getModel() instanceof Composite) {
out.println(((Composite)a.getModel()).getName());
}
}
return true;
}
boolean load(final String configXmlUrl) throws ContributionReadException, ActivationException, ValidationException {
Node node = factory.createNodeFromXML(configXmlUrl);
currentDomain = node.getDomainName();
nodes.put(currentDomain, node);
return true;
}
boolean remove(final String curi) throws ContributionReadException, ActivationException, ValidationException {
if (getNode() == null) {
out.println("not in domain, use domain command first");
return true;
}
getNode().removeContribution(curi);
return true;
}
boolean run(final String commandsFileURL) throws IOException {
BufferedReader r = new BufferedReader(new InputStreamReader(IOHelper.getLocationAsURL(commandsFileURL).openStream()));
String l;
try {
while ((l = r.readLine()) != null) {
out.println(l);
String[] toks = l != null ? l.trim().split(" ") : "".split(" ");
List toksList = new ArrayList();
for (String s : toks) {
if (s != null && s.trim().length() > 0) {
toksList.add(s);
}
}
apply(eval(toksList));
}
} finally {
r.close();
}
return true;
}
boolean save(final String directory) throws IOException {
out.println("TODO: not yet implemented");
return true;
}
public boolean stop(List toks) throws ActivationException {
String curi = toks.get(1);
if (toks.size() > 2) {
getNode().removeFromDomainLevelComposite(curi, toks.get(2));
} else {
if (standaloneNodes.containsKey(curi)) {
standaloneNodes.remove(curi).stop();
} else if (nodes.containsKey(curi)) {
Node n = nodes.remove(curi);
n.stop();
if (n.getDomainName().equals(currentDomain)) {
currentDomain = "";
}
} else {
for (String compositeURI : getNode().getDeployedComposites(curi)) {
getNode().removeFromDomainLevelComposite(curi, compositeURI);
}
}
}
return true;
}
public boolean bye() {
for (Node node : nodes.values()) {
node.stop();
}
factory.stop();
for (Node node : standaloneNodes.values()) {
node.stop();
}
return false;
}
boolean start(String curi, String compositeURI) throws ActivationException, ValidationException {
Contribution c = getNode().getInstalledContribution(curi);
for (Artifact a : c.getArtifacts()) {
if (compositeURI.equals(a.getURI())) {
getNode().addToDomainLevelComposite(curi, compositeURI);
return true;
}
}
// external composite file ('composite by value')
try {
URL url = IOHelper.getLocationAsURL(compositeURI);
InputStream is = IOHelper.openStream(url);
BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
getNode().addDeploymentComposite(curi, br);
} catch (Exception e) {
System.out.println(e);
}
return true;
}
boolean start(String nodeName, String compositeURI, String contributionURL, String... dependentContributionURLs)
throws ActivationException, ValidationException {
Node node = NodeFactory.newStandaloneNode(compositeURI, contributionURL, dependentContributionURLs);
standaloneNodes.put(nodeName, node);
return true;
}
boolean status(final List toks) {
if (standaloneNodes.size() > 0) {
out.println("Standalone Nodes:");
for (String nodeName : standaloneNodes.keySet()) {
Node node = standaloneNodes.get(nodeName);
for (String curi : node.getInstalledContributions()) {
for (String dc : node.getDeployedComposites(curi)) {
out.println(" " + nodeName + " " + dc);
}
}
}
out.println();
}
if (nodes.size() > 0) {
for (Node node : nodes.values()) {
out.println("Domain: " + node.getDomainName());
List ics;
if (toks.size() > 1) {
ics = new ArrayList();
ics.add(toks.get(1));
} else {
ics = node.getInstalledContributions();
}
for (String curi : ics) {
Contribution c = node.getInstalledContribution(curi);
List dcs = node.getDeployedComposites(curi);
if (toks.size() > 2) {
dcs = new ArrayList();
dcs.add(toks.get(2));
} else {
dcs = node.getDeployedComposites(curi);
}
for (String compositeUri : dcs) {
for (Artifact a : c.getArtifacts()) {
if (compositeUri.equals(a.getURI())) {
out.println(" " + curi
+ " "
+ compositeUri
+ " "
+ ((Composite)a.getModel()).getName());
}
}
}
}
}
}
return true;
}
boolean history() {
for (String l : history)
out.println(l);
return true;
}
public Node getNode() {
return nodes.get(currentDomain);
}
List read(Object r) throws IOException {
out.print(currentDomain + "> ");
final String l;
if (useJline) {
l = JLine.readLine(r);
} else {
l = ((BufferedReader)r).readLine();
history.add(l);
}
String[] toks = l != null ? l.trim().split(" ") : "bye".split(" ");
List toksList = new ArrayList();
for (String s : toks) {
if (s != null && s.trim().length() > 0) {
toksList.add(s);
}
}
return toksList;
}
Callable eval(final List toks) {
final String op = toks.size() > 0 ? toks.get(0) : "";
if (op.equalsIgnoreCase("domain"))
return new Callable() {
public Boolean call() throws Exception {
return domain(toks.size() > 1 ? toks.get(1) : "");
}
};
if (op.equalsIgnoreCase("domains"))
return new Callable() {
public Boolean call() throws Exception {
return domains();
}
};
if (op.equalsIgnoreCase("install"))
return new Callable() {
public Boolean call() throws Exception {
return install(toks);
}
};
if (op.equalsIgnoreCase("installed"))
return new Callable() {
public Boolean call() throws Exception {
return installed(toks);
}
};
if (op.equalsIgnoreCase("load"))
return new Callable() {
public Boolean call() throws Exception {
return load(toks.get(1));
}
};
if (op.equalsIgnoreCase("remove"))
return new Callable() {
public Boolean call() throws Exception {
return remove(toks.get(1));
}
};
if (op.equalsIgnoreCase("run"))
return new Callable() {
public Boolean call() throws Exception {
return run(toks.get(1));
}
};
if (op.equalsIgnoreCase("help"))
return new Callable() {
public Boolean call() {
return help(toks);
}
};
if (op.equalsIgnoreCase("save"))
return new Callable() {
public Boolean call() throws Exception {
return save(toks.get(1));
}
};
if (op.equalsIgnoreCase("stop"))
return new Callable() {
public Boolean call() throws Exception {
return stop(toks);
}
};
if (op.equalsIgnoreCase("bye"))
return new Callable() {
public Boolean call() throws Exception {
return bye();
}
};
if (op.equalsIgnoreCase("start"))
return new Callable() {
public Boolean call() throws Exception {
if (currentDomain.length() > 0) {
return start(toks.get(1), toks.get(2));
} else {
String[] duris = null;
if (toks.contains("-duris")) {
int i = toks.indexOf("-duris");
duris = toks.get(i + 1).split(",");
toks.remove(i); toks.remove(i+1);
}
String name = toks.get(1);
String contributionURL;
String compositeURI;
if (toks.size() > 3) {
compositeURI = toks.get(2);
contributionURL = toks.get(3);
} else {
compositeURI = null;
contributionURL = toks.get(2);
}
return start(name, compositeURI, contributionURL, duris);
}
}
};
if (op.equalsIgnoreCase("status"))
return new Callable() {
public Boolean call() {
return status(toks);
}
};
if (op.equalsIgnoreCase("history"))
return new Callable() {
public Boolean call() {
return history();
}
};
if (op.equalsIgnoreCase("") || op.startsWith("#"))
return new Callable() {
public Boolean call() {
return true;
}
};
return new Callable() {
public Boolean call() {
out.println("unknown command");
return true;
}
};
}
boolean apply(final Callable func) {
try {
return func.call();
} catch (Exception e) {
e.printStackTrace();
return true;
}
}
public void run() throws IOException {
help(null);
Object reader;
if (useJline) {
reader = JLine.createJLineReader(this);
} else {
reader = new BufferedReader(new InputStreamReader(in));
}
while (apply(eval(read(reader))))
;
}
boolean help(List toks) {
String command = (toks == null || toks.size() < 2) ? null : toks.get(1);
if (command == null) {
helpOverview();
} else if ("help".equalsIgnoreCase(command)) {
helpHelp();
} else if ("install".equalsIgnoreCase(command)) {
helpInstall();
} else if ("installed".equalsIgnoreCase(command)) {
helpInstalled();
} else if ("load".equalsIgnoreCase(command)) {
helpLoad();
} else if ("remove".equalsIgnoreCase(command)) {
helpRemove();
} else if ("run".equalsIgnoreCase(command)) {
helpRun();
} else if ("save".equalsIgnoreCase(command)) {
helpSave();
} else if ("start".equalsIgnoreCase(command)) {
helpStart();
} else if ("status".equalsIgnoreCase(command)) {
helpStatus();
} else if ("stop".equalsIgnoreCase(command)) {
helpStop();
} else if ("startup".equalsIgnoreCase(command)) {
helpStartUp();
} else if ("bye".equalsIgnoreCase(command)) {
helpBye();
}
return true;
}
boolean helpOverview() {
out.println("Apache Tuscany Shell (" + Version.getVersion()
+ " "
+ Version.getRevsion()
+ " "
+ Version.getBuildTime()
+ ")");
out.println("Commands:");
out.println();
out.println(" help");
out.println(" domain ");
out.println(" domains");
out.println(" install [] [-start] [-metadata ] [-duris ]");
out.println(" installed []");
out.println(" load ");
out.println(" remove ");
out.println(" run ");
out.println(" save ");
out.println(" start |");
out.println(" start [] [-duris ]");
out.println(" status [ []]");
out.println(" stop [ []]");
out.println(" bye");
out.println();
if (useJline)
out.println("Use Tab key for command and argument completion");
out.println("For detailed help on each command do 'help ', for help of startup options do 'help startup'");
out.println();
return true;
}
void helpHelp() {
out.println(" help []");
out.println();
out.println(" Outputs help on the Tuscany Shell");
out.println(" If the command argument is used it provides detailed help on that command otherwise");
out.println(" it provides an overview of available Shell commands");
out.println();
out.println(" To get help on starting the Tuscany Shell use 'help startup'");
out.println();
out.println(" Arguments:");
out.println(" - (optional) the command to get detailed help on");
}
void helpDomain() {
out.println(" domain []");
out.println();
out.println(" Starts or connects to a domain for the given domain URI.");
out.println(" If no domain URI is specified switch to standalone mode.");
out.println();
out.println(" Arguments:");
out.println(" - (optional) the domain URI of the domain");
}
void helpDomains() {
out.println(" domains");
out.println();
out.println(" Shows the currently defined domain URIs");
out.println();
out.println(" Arguments:");
out.println(" none");
}
void helpInstall() {
out.println(" install [] [-start] [-metadata ] [-duris ]");
out.println();
out.println(" Creates an installed contribution with a supplied root contribution, installed at abase URI.");
out.println();
out.println(" Arguments:");
out.println(" uri - (optional) the URI (name) to use for the contribution. When no uri is specified");
out.println(" a default URI is used derived from the contribution URL");
out.println(" contributionURL - (required) the URL to the contribution to install");
out.println(" -start - (optional) start any composites listed as deployable in the sca-contribution.xml file");
out.println(" -metadata - (optional) the URL to an external contribution meta data document that should be");
out.println(" merged into any existing sca-contributions.xml file within the contribution.");
out.println(" -duris - (optional) specifies the URIs of contributions that are used to resolve the");
out.println(" dependencies of the root contribution and other dependent contributions.");
out.println(" When not specified all installed contributions are used to resolve dependencies.");
}
void helpInstalled() {
out.println(" installed []");
out.println();
out.println(" Shows information about the contributions installed on this node,");
out.println(" including the contribution URI and location along with the URI");
out.println(" and QName of any composites within the contribution");
out.println();
out.println(" Arguments:");
out.println(" contributionURI - (optional) the URI of an installed contribution");
}
void helpLoad() {
out.println(" load ");
out.println();
out.println(" Shows information about the contributions installed on this node,");
out.println(" including the contribution URI and location along with the URI");
out.println(" and QName of any composites within the contribution");
out.println();
out.println(" Arguments:");
out.println(" configXmlUrl - (required) the URL of the config file to load");
}
void helpRemove() {
out.println(" remove ");
out.println();
out.println(" Removes an installed contribution");
out.println();
out.println(" Arguments:");
out.println(" contributionURI - (required) the URI of an installed contribution");
}
void helpRun() {
out.println(" run ");
out.println();
out.println(" Runs shell commands stored in file.");
out.println(" The file should be a text file with one shell command per line. Blank lines and ");
out.println(" lines starting with # will be ignored.");
out.println();
out.println(" Arguments:");
out.println(" commandsFileURL - (required) the URL of the commands file to run");
}
void helpSave() {
out.println(" save ");
out.println();
out.println(" Saves the current Node state to directory.");
out.println(" This will include a node-config.xml file and copies of all artifacts");
out.println(" being used by the Node.");
out.println();
out.println(" Arguments:");
out.println(" directoryPath - (required) the URL of a directory to be used to store the state.");
}
void helpStart() {
out.println(" start |");
out.println(" start [] [-duris ]");
out.println();
out.println(" Starts a composite.");
out.println(" The composite is added to the domain composite with semantics that correspond to the domain-level");
out.println(" composite having an statement that references the supplied composite. All of the composites");
out.println(" components become top-level components and the component services become externally visible");
out.println(" services (eg. they would be present in a WSDL description of the Domain).");
out.println();
out.println(" The second form of the start command starts in standalone mode not part of any SCA domain.");
out.println();
out.println(" Arguments (form1):");
out.println(" curi - (required) the URI of an installed contribution");
out.println(" compositeUri or contentURL - (required) either the URI of a composite within the contribution");
out.println(" or a URL to an external composite file.");
out.println(" Arguments (form2):");
out.println(" name - (required) a name for the started composite/contribution");
out.println(" compositeUri - (optional) the URI of a composite within the contribution");
out.println(" contributionURL - (required) the URL to the contribution");
out.println(" -duris - (optional) specifies the URIs of contributions that are used to resolve the");
out.println(" dependencies of the root contribution and other dependent contributions.");
}
void helpStatus() {
out.println(" status [ []]");
out.println();
out.println(" Shows the status of the Node, listing for each deployed composite its");
out.println(" contribution URI, the composite URI, and the composite QName.");
out.println();
out.println(" Arguments:");
out.println(" curi - (optional) the URI of an installed contribution");
out.println(" compositeUri - (optional) the URI of a composite");
}
void helpStop() {
out.println(" stop [ []]");
out.println(" stop ");
out.println();
out.println(" Stops a domain or standalone node or individual composites and contributions in a Domain.");
out.println(" If a composite URI is specified then the composite is removed from the Domain Level composite");
out.println(" This means that the removal of the components, wires, services and references originally added");
out.println(" to the domain level composite by the identified composite. If a contribution URI is specified");
out.println(" without a composite URI then all deployed composites composites in the contribution are stopped.");
out.println();
out.println(" Arguments:");
out.println(" curi - (required) the URI of an installed contribution");
out.println(" compositeUri - (optional) the URI of a composite");
out.println(" name - (required) the name of a standalon node or domain to stop");
}
void helpBye() {
out.println(" bye");
out.println();
out.println(" All deployed composites are stopped and the Shell exists.");
out.println();
out.println(" Arguments:");
out.println(" none");
}
void helpStartUp() {
out.println(" Tuscany Shell StartUp Options ");
out.println();
out.println(" When starting the Tuscany Shell there are optional arguments that can configure the Shell.");
out.println();
out.println(" Arguments:");
out.println(" (optional) the URI of the domain.");
out.println(" When the domainURI is a simple string then the Shell starts a standalone");
out.println(" Node using the string as the domain name or 'default' if no name is specified.");
out.println(" When the domainURI starts with 'uri:' the Shell starts a distributed Node ");
out.println(" and the URI can encode parameters to configure the domain as follows:");
out.println(" uri:
