Examples with PermStatementFilter org.apache.jena.permissions.utils.PermStatementFilter used on opensource projects

Example 1 with PermStatementFilter

use of org.apache.jena.permissions.utils.PermStatementFilter in project jena by apache.

the class SecuredResourceImpl method getRequiredProperty.

/**
	 * Get a property value of this resource.
	 * 
	 * <p>
	 * The securedModel associated with the resource instance is searched for
	 * statements whose subject is this resource and whose predicate is p. If
	 * such a statement is found, it is returned. If several such statements are
	 * found, any one may be returned. If no such statements are found, an
	 * exception is thrown.
	 * </p>
	 * 
	 * @param p
	 *            The property sought.
	 * @return some (this, p, ?O) statement if one exists
	 * @throws PropertyNotFoundException
	 *             if no such statement found
	 * @throws ReadDeniedException
	 * @throws AuthenticationRequiredException
	 */
@Override
public SecuredStatement getRequiredProperty(final Property p) throws PropertyNotFoundException, ReadDeniedException, AuthenticationRequiredException {
    checkRead();
    final ExtendedIterator<Statement> iter = holder.getBaseItem().listProperties(p).filterKeep(new PermStatementFilter(Action.Read, this));
    try {
        if (iter.hasNext()) {
            return org.apache.jena.permissions.model.impl.SecuredStatementImpl.getInstance(getModel(), iter.next());
        } else {
            throw new PropertyNotFoundException(p);
        }
    } finally {
        iter.close();
    }
}

Example 2 with PermStatementFilter

use of org.apache.jena.permissions.utils.PermStatementFilter in project jena by apache.

the class SecuredResourceImpl method getProperty.

/**
	 * Answer some statement (this, p, O) in the associated securedModel. If
	 * there are several such statements, any one of them may be returned. If no
	 * such statements exist, null is returned - in this is differs from
	 * getRequiredProperty.
	 * 
	 * @param p
	 *            the property sought
	 * @return a statement (this, p, O), or null if no such statements exist
	 *         here
	 * @throws ReadDeniedException
	 * @throws AuthenticationRequiredException
	 */
@Override
public SecuredStatement getProperty(final Property p) throws ReadDeniedException, AuthenticationRequiredException {
    checkRead();
    final ExtendedIterator<Statement> iter = holder.getBaseItem().listProperties(p).filterKeep(new PermStatementFilter(Action.Read, this));
    try {
        if (iter.hasNext()) {
            return org.apache.jena.permissions.model.impl.SecuredStatementImpl.getInstance(getModel(), iter.next());
        } else {
            return null;
        }
    } finally {
        iter.close();
    }
}

Example 3 with PermStatementFilter

use of org.apache.jena.permissions.utils.PermStatementFilter in project jena by apache.

the class SecuredResourceImpl method hasProperty.

/**
	 * Test if this resource has a given property with a given value.
	 * 
	 * @param p
	 *            The property sought.
	 * @param o
	 *            The value of the property sought.
	 * @return true if and only if this resource has property p with value o.
	 * @throws ReadDeniedException
	 * @throws AuthenticationRequiredException
	 */
@Override
public boolean hasProperty(final Property p, final String o) throws ReadDeniedException, AuthenticationRequiredException {
    checkRead();
    final ExtendedIterator<Statement> iter = holder.getBaseItem().getModel().listStatements(this, p, o).filterKeep(new PermStatementFilter(Action.Read, this));
    try {
        return iter.hasNext();
    } finally {
        iter.close();
    }
}

Example 4 with PermStatementFilter

use of org.apache.jena.permissions.utils.PermStatementFilter in project jena by apache.

the class SecuredResourceImpl method hasProperty.

/**
	 * Test if this resource has a given property with a given value.
	 * 
	 * @param p
	 *            The property sought.
	 * @param o
	 *            The value of the property sought.
	 * @return true if and only if this resource has property p with value o.
	 * @throws ReadDeniedException
	 * @throws AuthenticationRequiredException
	 */
@Override
public boolean hasProperty(final Property p, final RDFNode o) throws ReadDeniedException, AuthenticationRequiredException {
    checkRead();
    final ExtendedIterator<Statement> iter = holder.getBaseItem().getModel().listStatements(this, p, o).filterKeep(new PermStatementFilter(Action.Read, this));
    try {
        return iter.hasNext();
    } finally {
        iter.close();
    }
}

Example 5 with PermStatementFilter

use of org.apache.jena.permissions.utils.PermStatementFilter in project jena by apache.

the class SecuredResourceImpl method hasProperty.

/**
	 * Determine whether this resource has any values for a given property.
	 * 
	 * @param p
	 *            The property sought.
	 * @return true if and only if this resource has at least one value for the
	 *         property.
	 * @throws ReadDeniedException
	 * @throws AuthenticationRequiredException
	 */
@Override
public boolean hasProperty(final Property p) throws ReadDeniedException, AuthenticationRequiredException {
    checkRead();
    final ExtendedIterator<Statement> iter = holder.getBaseItem().listProperties(p).filterKeep(new PermStatementFilter(Action.Read, this));
    try {
        return iter.hasNext();
    } finally {
        iter.close();
    }
}