Quelle LoadAndStoreXML.java Sprache: JAVA

/*
* Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/*
* @test
* @bug 8000354 8000685 8004371 8043119 8276207
* @summary Basic test of storeToXML and loadToXML
* @run main/othervm -Djava.security.manager=allow LoadAndStoreXML
*/

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.CodeSource;
import java.security.Permission;
import java.security.PermissionCollection;
import java.security.Permissions;
import java.security.Policy;
import java.security.ProtectionDomain;
import java.util.InvalidPropertiesFormatException;
import java.util.Properties;
import java.util.PropertyPermission;

public class LoadAndStoreXML {
    static final String bomChar = "\uFEFF";

    /**
     * Simple policy implementation that grants a set of permissions to
     * all code sources and protection domains.
     */
    static class SimplePolicy extends Policy {
        private final Permissions perms;

        public SimplePolicy(Permission...permissions) {
            perms = new Permissions();
            for (Permission permission : permissions)
                perms.add(permission);
        }

        @Override
        public PermissionCollection getPermissions(CodeSource cs) {
            return perms;
        }

        @Override
        public PermissionCollection getPermissions(ProtectionDomain pd) {
            return perms;
        }

        @Override
        public boolean implies(ProtectionDomain pd, Permission p) {
            return perms.implies(p);
        }
    }

    /**
     * A {@code ByteArrayInputStream} that allows testing if the
     * {@code close} method has been invoked.
     */
    static class TestInputStream extends ByteArrayInputStream {
        private boolean closed;

        TestInputStream(byte[] buf) {
            super(buf);
        }

        boolean isOpen() {
            return !closed;
        }

        public void close() throws IOException {
            try {
                super.close();
            } finally {
                closed = true;
            }
        }
    }

    /**
     * A {@code ByteArrayOutputStream} that allows testing if the
     * {@code close} method has been invoked.
     */
    static class TestOutputStream extends ByteArrayOutputStream {
        private boolean closed;

        boolean isOpen() {
            return !closed;
        }

        public void close() throws IOException {
            try {
                super.close();
            } finally {
                closed = true;
            }
        }
    }

    /**
     * Sanity test that properties saved with Properties#storeToXML can be
     * read with Properties#loadFromXML.
     */
    static void testLoadAndStore(String encoding, boolean appendBOM) throws IOException {
        System.out.println("testLoadAndStore, encoding=" + encoding);

        Properties props = new Properties();
        props.put("k0", "\u6C34");
        props.put("k1", "foo");
        props.put("k2", "bar");
        props.put("k3", "\u0020\u0391\u0392\u0393\u0394\u0395\u0396\u0397");
        props.put("k4", "\u7532\u9aa8\u6587");
        props.put("k5", "/conf/jaxp.properties");
        props.put("k6", "\uD834\uDD1E");

        TestOutputStream out = new TestOutputStream();
        props.storeToXML(out, null, encoding);
        if (!out.isOpen())
            throw new RuntimeException("OutputStream closed by storeToXML");

        Properties p = new Properties();
        TestInputStream in;
        if (appendBOM) {
            byte[] byteOrderMark = bomChar.getBytes(Charset.forName(encoding));
            byte[] outArray = out.toByteArray();
            byte[] inputArray = new byte[byteOrderMark.length + outArray.length];
            System.arraycopy(byteOrderMark, 0, inputArray, 0, byteOrderMark.length);
            System.arraycopy(outArray, 0, inputArray, byteOrderMark.length, outArray.length);
            in = new TestInputStream(inputArray);
        } else {
            in = new TestInputStream(out.toByteArray());
        }
        p.loadFromXML(in);
        if (in.isOpen())
            throw new RuntimeException("InputStream not closed by loadFromXML");

        if (!p.equals(props)) {
            System.err.println("stored: " + props);
            System.err.println("loaded: " + p);
            throw new RuntimeException("Test failed");
        }
    }

    /**
     * Test loadFromXML with a document that does not have an encoding declaration
     */
    static void testLoadWithoutEncoding() throws IOException {
        System.out.println("testLoadWithoutEncoding");

        Properties expected = new Properties();
        expected.put("foo", "bar");

        String s = "1.0\"?>" +
                   "http://java.sun.com/dtd/properties.dtd\">" +
                   "" +
                   "foo\">bar" +
                   "";
        ByteArrayInputStream in = new ByteArrayInputStream(s.getBytes("UTF-8"));
        Properties props = new Properties();
        props.loadFromXML(in);

        if (!props.equals(expected)) {
            System.err.println("loaded: " + props + ", expected: " + expected);
            throw new RuntimeException("Test failed");
        }
    }

    /**
     * Test loadFromXML with unsupported encoding
     */
    static void testLoadWithBadEncoding() throws IOException {
        System.out.println("testLoadWithBadEncoding");
        String s = "1.0\" encoding=\"BAD\"?>" +
                   "http://java.sun.com/dtd/properties.dtd\">" +
                   "" +
                   "foo\">bar" +
                   "";
        ByteArrayInputStream in = new ByteArrayInputStream(s.getBytes("UTF-8"));
        Properties props = new Properties();
        try {
            props.loadFromXML(in);
            throw new RuntimeException("UnsupportedEncodingException expected");
        } catch (UnsupportedEncodingException expected) { }
    }

    /**
     * Test storeToXML with unsupported encoding
     */
    static void testStoreWithBadEncoding() throws IOException {
        System.out.println("testStoreWithBadEncoding");
        Properties props = new Properties();
        props.put("foo", "bar");
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            props.storeToXML(out, null, "BAD");
            throw new RuntimeException("UnsupportedEncodingException expected");
        } catch (UnsupportedEncodingException expected) { }
    }

    /**
     * Test loadFromXML with malformed documents
     */
    static void testLoadWithMalformedDoc(Path dir) throws IOException {
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.xml")) {
            for (Path file: stream) {
                System.out.println("testLoadWithMalformedDoc, file=" + file.getFileName());
                try (InputStream in = Files.newInputStream(file)) {
                    Properties props = new Properties();
                    try {
                        props.loadFromXML(in);
                        throw new RuntimeException("InvalidPropertiesFormatException not thrown");
                    } catch (InvalidPropertiesFormatException x) {
                        System.out.println(x);
                    }
                }
            }
        }
    }

    /**
     * Test loadFromXML with supplementary characters
     */
    static void testLoadWithSupplementaryCharacters() throws IOException {
        System.out.println("testLoadWithSupplementaryCharacters");

        Properties expected = new Properties();
        expected.put("\uD834\uDD1E", "\uD834\uDD1E");

        String s = "1.0\" encoding=\"UTF-8\"?>" +
                   "http://java.sun.com/dtd/properties.dtd\">" +
                   "" +
                   "𝄞\">𝄞" +
                   "";

        ByteArrayInputStream in = new ByteArrayInputStream(s.getBytes("UTF-8"));
        Properties props = new Properties();
        props.loadFromXML(in);

        if (!props.equals(expected)) {
            System.err.println("loaded: " + props + ", expected: " + expected);
            throw new RuntimeException("Test failed");
        }
    }

    public static void main(String[] args) throws IOException {

        testLoadAndStore("UTF-8", false);
        testLoadAndStore("UTF-16", false);
        testLoadAndStore("UTF-16BE", false);
        testLoadAndStore("UTF-16LE", false);
        testLoadAndStore("UTF-16BE", true);
        testLoadAndStore("UTF-16LE", true);
        testLoadWithoutEncoding();
        testLoadWithBadEncoding();
        testStoreWithBadEncoding();
        testLoadWithSupplementaryCharacters();

        // malformed documents
        String src = System.getProperty("test.src");
        String subdir = "invalidxml";
        Path dir = (src == null) ? Paths.get(subdir) : Paths.get(src, subdir);
        testLoadWithMalformedDoc(dir);

        // re-run sanity test with security manager
        Policy orig = Policy.getPolicy();
        Policy p = new SimplePolicy(new RuntimePermission("setSecurityManager"),
                                    new PropertyPermission("line.separator", "read"));
        Policy.setPolicy(p);
        System.setSecurityManager(new SecurityManager());
        try {
            testLoadAndStore("UTF-8", false);
        } finally {
            // turn off security manager and restore policy
            System.setSecurityManager(null);
            Policy.setPolicy(orig);
        }

    }
}

quality88%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.