Example usage for java.lang SecurityManager checkRead

Introduction

In this page you can find the example usage for java.lang SecurityManager checkRead.

Prototype

public void checkRead(String file) 

Source Link

Document

Throws a SecurityException if the calling thread is not allowed to read the file specified by the string argument.

Usage

From source file:Main.java

public static void main(String[] args) {
    System.setProperty("java.security.policy", "file:/C:/java.policy");

    SecurityManager sm = new Main();

    System.setSecurityManager(sm);

    sm.checkRead("test.txt");

    System.out.println("Allowed!");
}

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From source file:Main.java

public static void main(String[] args) {
    System.setProperty("java.security.policy", "file:/C:/java.policy");

    SecurityManager sm = new Main();

    System.setSecurityManager(sm);

    FileDescriptor fd = new FileDescriptor();
    sm.checkRead(fd);

    System.out.println("Allowed!");
}

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From source file:CustomSecurityManager.java

public static void main() {
    System.setSecurityManager(new CustomSecurityManager());
    SecurityManager secMgr = System.getSecurityManager();
    if (secMgr != null) {
        secMgr.checkRead("fileName");
    }/* w  w  w. j av  a 2s  . c  o  m*/
}

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From source file:org.codice.ddf.configuration.migration.ImportMigrationContextImpl.java

@SuppressWarnings("PMD.DefaultPackage" /* designed to be called from ImportMigrationEntryImpl within this package */)
@VisibleForTesting//  w w w .jav  a  2s  .c o m
InputStream getInputStreamFor(ImportMigrationEntryImpl entry, boolean checkAccess) throws IOException {
    if (checkAccess && files.contains(entry.getName())) {
        // we were asked to check if the migratable that is requesting this stream has read access
        // and the content was exported by the framework and not by the migratable directly, as
        // such we need to check with the security manager if one was installed
        final SecurityManager sm = System.getSecurityManager();

        if (sm != null) {
            sm.checkRead(entry.getFile().getPath());
        }
    }
    final InputStream is = zip.getInputStream(entry.getZipEntry());

    inputStreams.add(is);
    return is;
}

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