| /* _PolicyImplBase.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath 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; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.CORBA; |
| |
| import org.omg.CORBA.BAD_OPERATION; |
| import org.omg.CORBA.CompletionStatus; |
| import org.omg.CORBA.Policy; |
| import org.omg.CORBA.PolicyHelper; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.InvokeHandler; |
| import org.omg.CORBA.portable.ObjectImpl; |
| import org.omg.CORBA.portable.OutputStream; |
| import org.omg.CORBA.portable.ResponseHandler; |
| |
| /** |
| * The server side implementation base for the {@link Policy}. |
| * |
| * @specnote The java 1.4 API does not define the server side policy |
| * implementation base, but it defines the policy client side stub. |
| * As these two classes always work together, and even no separate testing is |
| * possible, the required implementation base is provided in gnu.CORBA |
| * namespace. Sun will probably include they base in the future java APIs. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class _PolicyImplBase |
| extends ObjectImpl |
| implements Policy, InvokeHandler |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The policy repository ids. |
| */ |
| private final String[] ids; |
| |
| /** |
| * The type of this policy. |
| */ |
| private final int type; |
| |
| /** |
| * The value of this policy. The value object is never the same |
| * for different policies. |
| */ |
| private final java.lang.Object value; |
| |
| /** |
| * The policy integer code, written in request to write |
| * the policy value. |
| */ |
| private final int policyCode; |
| |
| /** |
| * Create the new policy of the given type, having the given value. |
| * For security reasons, the method is kept package private. |
| * |
| * @param p_type the type of this policy. |
| * @param p_value the value of this policy. |
| * @param p_code the integer code of this policy. |
| * @param p_idl the policy IDL type string. The {@link #_ids()} |
| * will return array, first line being this string and another |
| * being PolicyHelper.id(). |
| */ |
| public _PolicyImplBase(int p_type, java.lang.Object p_value, int p_code, |
| String p_idl |
| ) |
| { |
| type = p_type; |
| value = p_value; |
| policyCode = p_code; |
| ids = new String[] { p_idl, PolicyHelper.id() }; |
| } |
| |
| /** |
| * Get the integer code of the type of this policy. |
| */ |
| public final int policy_type() |
| { |
| return type; |
| } |
| |
| /** |
| * Return the list of repository ids. |
| */ |
| public final String[] _ids() |
| { |
| return ids; |
| } |
| |
| /** |
| * Call the required method. |
| */ |
| public final OutputStream _invoke(String method, InputStream input, |
| ResponseHandler rh |
| ) |
| { |
| OutputStream output = null; |
| |
| if (method.equals("destroy")) |
| { |
| // The "destroy" has been invoked. |
| destroy(); |
| output = rh.createReply(); |
| } |
| else if (method.equals("copy")) |
| { |
| // The "copy" has been invoked. |
| org.omg.CORBA.Object returns = copy(); |
| output = rh.createReply(); |
| output.write_Object(this); |
| } |
| else if (method.equals("policy_type")) |
| { |
| // The "policy_type" has been invoked. |
| int returns = policy_type(); |
| output = rh.createReply(); |
| output.write_long(returns); |
| } |
| else if (method.equals("value")) |
| { |
| // The "value" can be invoked on the children types |
| // and must return an integer, representing the policy value |
| // (CORBA enumeration). |
| output = rh.createReply(); |
| output.write_long(policyCode); |
| } |
| else |
| throw new BAD_OPERATION(method, Minor.Method, |
| CompletionStatus.COMPLETED_MAYBE); |
| |
| return output; |
| } |
| |
| /** |
| * Get the value of this policy |
| */ |
| public final java.lang.Object getValue() |
| { |
| return value; |
| } |
| |
| /** |
| * Get the integer code of this policy value. |
| */ |
| public final int getCode() |
| { |
| return policyCode; |
| } |
| |
| /** |
| * Returns without action. It is a work of garbage collector |
| * to remove the unused objects. |
| */ |
| public final void destroy() |
| { |
| } |
| |
| /** |
| * Returns the string representation of the given policy. |
| */ |
| public final String toString() |
| { |
| return value.toString(); |
| } |
| |
| /** |
| * Create a copy of this policy. The object is not mutable, so |
| * <code>this</code> can be returned. |
| * |
| * @return <code>this</code> |
| */ |
| public Policy copy() |
| { |
| return this; |
| } |
| |
| /** |
| * Use the value to get a hash code. |
| */ |
| public int hashCode() |
| { |
| return getValue().hashCode(); |
| } |
| |
| /** |
| * Check the values for equality. |
| */ |
| public boolean equals(Object x) |
| { |
| return x == null ? false : getValue().equals(x); |
| } |
| } |