com.marklogic.shell.command.cp.java Source code

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Here is the source code for com.marklogic.shell.command.cp.java

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/*
 * Copyright 2005 Andrew Bruno <aeb@qnot.org> 
 *
 * Licensed 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 com.marklogic.shell.command;

import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;

import com.marklogic.shell.Environment;
import com.marklogic.xcc.AdhocQuery;
import com.marklogic.xcc.Session;
import com.marklogic.xcc.exceptions.RequestException;

public class cp implements Command {
    private Options options = new Options();

    public cp() {
        Option force = OptionBuilder.withLongOpt("force").withDescription("Copy even if the target document exists")
                .create("f");
        Option fromHost = OptionBuilder.withLongOpt("from-host")
                .withDescription("Host server and port to copy from (uses default database for that port)")
                .create("s");
        Option toHost = OptionBuilder.withLongOpt("to-host").hasArg()
                .withDescription("Target server and port to copy to (uses default database for that port)")
                .create("d");

        options.addOption(fromHost);
        options.addOption(toHost);
        options.addOption(force);
    }

    public String getName() {
        return null;
    }

    public String getHelp() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("usage: cp [options] <from uri> <to uri>" + Environment.NEWLINE);
        buffer.append("Copies the document specified by the <from uri> to the <to uri>" + Environment.NEWLINE);
        buffer.append("Options: " + Environment.NEWLINE);
        HelpFormatter formatter = new HelpFormatter();
        StringWriter help = new StringWriter();
        formatter.printOptions(new PrintWriter(help), 80, options, 4, 8);
        buffer.append(help.toString());
        return buffer.toString();
    }

    public void execute(Environment env, String commandline) {
        if (commandline != null && commandline.length() > 0) {
            String[] tokens = commandline.split("\\s+");
            CommandLineParser parser = new PosixParser();
            CommandLine cmd = null;
            try {
                cmd = parser.parse(options, tokens);
            } catch (ParseException e) {
                env.outputException(e);
                return;
            }

            boolean force = cmd.hasOption("f");
            String fromHost = cmd.getOptionValue("s");
            String toHost = cmd.getOptionValue("d");

            if ((fromHost != null && fromHost.length() > 0) || (toHost != null && fromHost.length() > 0)) {
                env.outputLine("Copying from or to remote hosts is not implmented yet");
            } else {
                if (cmd.getArgList().size() == 2) {
                    String source = cmd.getArgList().get(0).toString();
                    String destination = cmd.getArgList().get(1).toString();

                    String query = null;
                    if (force) {
                        query = "if(doc('" + source + "')) then xdmp:document-insert('" + destination + "', doc('"
                                + source + "')) " + "else \"Source document not found.\"";
                    } else {
                        query = "if(doc('" + source + "') and not(doc('" + destination
                                + "'))) then xdmp:document-insert('" + destination + "', doc('" + source + "')) "
                                + "else \"Source document not found or target document exists.\"";
                    }
                    Session session = env.getContentSource().newSession();
                    AdhocQuery request = session.newAdhocQuery(query);
                    try {
                        env.outputResultSequence(session.submitRequest(request));
                    } catch (RequestException e) {
                        env.outputException(e);
                    }
                } else {
                    if (cmd.getArgList().size() == 1) {
                        env.outputLine("Missing target document uri");
                    } else if (cmd.getArgList().size() == 0) {
                        env.outputLine("Missing source and target document uri");
                    } else {
                        env.outputLine("Too many arguments");
                    }
                }
            }
        } else {
            env.outputLine("Please specify document to copy. See help cp.");
        }
    }
}