com.eucalyptus.auth.policy.PolicyParserTest.java Source code

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Here is the source code for com.eucalyptus.auth.policy.PolicyParserTest.java

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/*************************************************************************
 * Copyright 2009-2012 Eucalyptus Systems, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 3 of the License.
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
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 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 *
 * This file may incorporate work covered under the following copyright
 * and permission notice:
 *
 *   Software License Agreement (BSD License)
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 *   Copyright (c) 2008, Regents of the University of California
 *   All rights reserved.
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package com.eucalyptus.auth.policy;

import java.io.FileInputStream;
import java.io.InputStream;
import org.apache.commons.io.output.ByteArrayOutputStream;
import com.eucalyptus.auth.entities.AuthorizationEntity;
import com.eucalyptus.auth.entities.ConditionEntity;
import com.eucalyptus.auth.entities.PolicyEntity;
import com.eucalyptus.auth.entities.StatementEntity;

public class PolicyParserTest {

    public static void main(String[] args) throws Exception {
        if (args.length < 1) {
            System.err.println("Requires input policy file");
            System.exit(1);
        }
        InputStream input = new FileInputStream(args[0]);

        String policy = readInputAsString(input);

        PolicyEntity parsed = PolicyParser.getInstance().parse(policy);

        printPolicy(parsed);

        input.close();
    }

    private static String readInputAsString(InputStream in) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        byte[] buf = new byte[512];
        int nRead = 0;
        while ((nRead = in.read(buf)) >= 0) {
            baos.write(buf, 0, nRead);
        }

        String string = new String(baos.toByteArray(), "UTF-8");
        baos.close();
        return string;
    }

    private static void printPolicy(PolicyEntity parsed) {
        System.out.println("Policy:\n" + parsed.getText() + "\n" + "Version = " + parsed.getPolicyVersion());
        for (StatementEntity statement : parsed.getStatements()) {
            System.out.println("Statement: " + statement.getSid());
            for (AuthorizationEntity auth : statement.getAuthorizations()) {
                System.out.println("Authorization: " + auth);
            }
            for (ConditionEntity cond : statement.getConditions()) {
                System.out.println("Condition: " + cond);
            }
        }
    }

}