introduce jline line editing features
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parent
d30af3f4c3
commit
fb709fba09
@ -6,5 +6,6 @@
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<classpathentry kind="lib" path="lib/xmlrpc-client-3.1.jar"/>
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<classpathentry kind="lib" path="lib/xmlrpc-common-3.1.jar"/>
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<classpathentry kind="lib" path="lib/ws-commons-util-1.0.1.jar"/>
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<classpathentry kind="lib" path="lib/jline-1.0.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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BIN
hsarjcli/lib/jline-1.0.jar
Normal file
BIN
hsarjcli/lib/jline-1.0.jar
Normal file
Binary file not shown.
@ -2,7 +2,6 @@ package de.hsadmin.jscli;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.Console;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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@ -22,13 +21,16 @@ public class CASTicket {
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private static final String LOGIN_URL = "https://login.hostsharing.net:443/cas/v1/tickets";
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private static final String BACKEND_URL = "https://admin.hostsharing.net:443/hsar/backend";
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private String loginURL;
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private String backendURL;
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private String grantingTicket;
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private String runAs;
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private String user;
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final private String loginURL;
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final private String backendURL;
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final private String runAs;
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final private String user;
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final private ConsoleWrapper cons;
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public CASTicket(String user, String runAs) throws JSCliException {
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private String grantingTicket;
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public CASTicket(ConsoleWrapper console, String user, String runAs) throws JSCliException {
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this.cons = console;
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this.user = user;
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this.runAs = runAs;
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Config config = Config.getInstance();
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@ -77,16 +79,7 @@ public class CASTicket {
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}
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private String readPasswordFromConsole() throws JSCliException {
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char[] password = null;
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Console console = System.console();
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if (console == null) {
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throw new JSCliException("fatal error: console not found");
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}
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password = console.readPassword("password:");
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if (password == null || password.length <= 0) {
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throw new JSCliException("no password given");
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}
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return new String(password);
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return cons.readPassword();
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}
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private String doHttpPost(String urlString, String encodedParams) throws JSCliException {
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62
hsarjcli/src/de/hsadmin/jscli/ConsoleWrapper.java
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62
hsarjcli/src/de/hsadmin/jscli/ConsoleWrapper.java
Normal file
@ -0,0 +1,62 @@
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package de.hsadmin.jscli;
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import java.io.IOException;
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import jline.ConsoleReader;
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import jline.SimpleCompletor;
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public class ConsoleWrapper {
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private ConsoleReader cons;
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private String prompt;
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public void open(final String prompt) throws JSCliException {
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this.prompt = prompt;
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try {
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cons = new ConsoleReader();
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cons.setDefaultPrompt(prompt);
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} catch (IOException e) {
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throw new JSCliException(e);
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}
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}
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public String readInput() throws JSCliException {
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try {
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String line = cons.readLine();
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while (line.trim().endsWith("\\")) {
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line = line.substring(0, line.length() - 1) + "\n" + cons.readLine(">");
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}
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return line;
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} catch (IOException e) {
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throw new JSCliException(e);
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}
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}
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public void println(String text) throws JSCliException {
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try {
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if (cons != null) {
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cons.printString(text);
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cons.printNewline();
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} else {
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throw new JSCliException("cannot write console");
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}
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} catch (IOException e) {
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throw new JSCliException(e);
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}
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}
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public String readPassword() throws JSCliException {
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try {
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String pw = cons.readLine("password:", new Character('*'));
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cons.setDefaultPrompt(prompt);
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return pw;
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} catch (IOException e) {
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throw new JSCliException(e);
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}
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}
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public void codeCompletion(String[] candidateStrings) {
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cons.addCompletor(new SimpleCompletor(candidateStrings));
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}
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}
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@ -1,6 +1,5 @@
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package de.hsadmin.jscli;
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import java.io.Console;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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@ -10,19 +9,22 @@ import java.io.InputStreamReader;
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public class Main {
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public static void main(String[] args) {
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ConsoleWrapper console = null;
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try {
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JSONFormatter formatter = new JSONFormatter();
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CommandlineParser cmdParser = new CommandlineParser(args);
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String runAs = cmdParser.getRunAs();
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ScriptClient scriptClient = new ScriptClient(cmdParser.getUser(), runAs);
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console = new ConsoleWrapper();
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console.open(runAs + "@hsadmin>");
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JSONFormatter formatter = new JSONFormatter();
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ScriptClient scriptClient = new ScriptClient(console, cmdParser.getUser(), runAs);
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String file = cmdParser.getFile();
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if (file != null && file.length() > 0) {
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if ("-".equals(file)) {
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System.out.println(formatter.format(scriptClient.execute(new InputStreamReader(System.in))));
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console.println(formatter.format(scriptClient.execute(new InputStreamReader(System.in))));
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} else {
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File fileHandle = new File(file);
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try {
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System.out.println(formatter.format(scriptClient.execute(new FileReader(fileHandle))));
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console.println(formatter.format(scriptClient.execute(new FileReader(fileHandle))));
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} catch (FileNotFoundException e) {
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System.err.println("file not found: " + file);
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}
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@ -30,34 +32,20 @@ public class Main {
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}
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String expr = cmdParser.getExpression();
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if (expr != null && expr.length() > 0) {
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System.out.println(formatter.format(scriptClient.execute(expr)));
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console.println(formatter.format(scriptClient.execute(expr)));
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}
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if (cmdParser.isInteractive()) {
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Console console = System.console();
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if (console == null) {
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throw new JSCliException("fatal error: console not found");
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}
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String command = console.readLine("%s@hsadmin>", runAs);
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if (command == null) {
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command = "";
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}
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String command = console.readInput();
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while (!("bye".equals(command.trim()) || "exit".equals(command.trim()) || "quit".equals(command.trim()))) {
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try {
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console.printf("%s\n", formatter.format(scriptClient.execute(command)));
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console.println(formatter.format(scriptClient.execute(command)));
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} catch (Exception e) {
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console.printf("ERR: %s\n", e.getLocalizedMessage());
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console.println("ERR: " + e.getLocalizedMessage() + "\n");
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}
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command = console.readLine("%s@hsadmin>", runAs);
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if (command == null) {
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command = "";
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}
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while (command.trim().endsWith("\\")) {
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command = command.substring(0, command.length() - 1) +
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"\n" + console.readLine(">");
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command = console.readInput();
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}
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}
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}
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} catch (JSCliException e) {
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} catch (Exception e) {
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System.err.println(e.getMessage());
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System.exit(-1);
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}
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@ -1,7 +1,9 @@
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package de.hsadmin.jscli;
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import java.io.Reader;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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@ -9,10 +11,12 @@ import javax.script.ScriptException;
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public class ScriptClient {
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private ScriptEngine engine;
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final private ScriptEngine engine;
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final private Set<String> completionStrings;
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public ScriptClient(String user, String runAs) throws JSCliException {
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CASTicket grantingTicket = new CASTicket(user, runAs);
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public ScriptClient(ConsoleWrapper console, String user, String runAs) throws JSCliException {
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completionStrings = new HashSet<String>();
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CASTicket grantingTicket = new CASTicket(console, user, runAs);
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RpcClient rpcClient = new RpcClient(grantingTicket);
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ScriptEngineManager engineManager = new ScriptEngineManager();
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engine = engineManager.getEngineByName("js");
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@ -54,6 +58,8 @@ public class ScriptClient {
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if ("delete".equals(function)) {
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function = "remove";
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}
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completionStrings.add(module);
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completionStrings.add(module + "." + function);
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try {
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engine.eval("if (typeof " + module + " === 'undefined') " +
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"{ var " + module + " = { }; };\n" +
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@ -73,6 +79,17 @@ public class ScriptClient {
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}
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}
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}
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console.codeCompletion(getCodeCompletionStrings());
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}
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public String[] getCodeCompletionStrings() {
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String[] codeCompletionStrings = new String[completionStrings.size()];
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int idx = 0;
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for (String s : completionStrings) {
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codeCompletionStrings[idx] = s;
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idx++;
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}
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return codeCompletionStrings;
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}
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public Object execute(String snippet) throws JSCliException {
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