1 /*

     2  * otr4j, the open source java otr library.

     3  *

     4  * Distributable under LGPL license.

     5  * See terms of license at gnu.org.

     6  */

     7 package net.java.otr4j;

     8 

     9 /**

    10  * 

    11  * @author George Politis

    12  * 

    13  */

    14 public interface OtrPolicy {

    15 

    16 	public static final int ALLOW_V1 = 0x01;

    17 	public static final int ALLOW_V2 = 0x02;

    18 	public static final int REQUIRE_ENCRYPTION = 0x04;

    19 	public static final int SEND_WHITESPACE_TAG = 0x08;

    20 	public static final int WHITESPACE_START_AKE = 0x10;

    21 	public static final int ERROR_START_AKE = 0x20;

    22 	public static final int VERSION_MASK = (ALLOW_V1 | ALLOW_V2);

    23 

    24 	// The four old version 1 policies correspond to the following combinations

    25 	// of flags (adding an allowance for version 2 of the protocol):

    26 

    27 	public static final int NEVER = 0x00;

    28 	public static final int OPPORTUNISTIC = (ALLOW_V1 | ALLOW_V2

    29 			| SEND_WHITESPACE_TAG | WHITESPACE_START_AKE | ERROR_START_AKE);

    30 	public static final int OTRL_POLICY_MANUAL = (ALLOW_V1 | ALLOW_V2);

    31 	public static final int OTRL_POLICY_ALWAYS = (ALLOW_V1 | ALLOW_V2

    32 			| REQUIRE_ENCRYPTION | WHITESPACE_START_AKE | ERROR_START_AKE);

    33 	public static final int OTRL_POLICY_DEFAULT = OPPORTUNISTIC;

    34 

    35 	public abstract boolean getAllowV1();

    36 

    37 	public abstract boolean getAllowV2();

    38 

    39 	public abstract boolean getRequireEncryption();

    40 

    41 	public abstract boolean getSendWhitespaceTag();

    42 

    43 	public abstract boolean getWhitespaceStartAKE();

    44 

    45 	public abstract boolean getErrorStartAKE();

    46 

    47 	public abstract int getPolicy();

    48 

    49 	public abstract void setAllowV1(boolean value);

    50 

    51 	public abstract void setAllowV2(boolean value);

    52 

    53 	public abstract void setRequireEncryption(boolean value);

    54 

    55 	public abstract void setSendWhitespaceTag(boolean value);

    56 

    57 	public abstract void setWhitespaceStartAKE(boolean value);

    58 

    59 	public abstract void setErrorStartAKE(boolean value);

    60 

    61 	public abstract void setEnableAlways(boolean value);

    62 

    63 	public abstract boolean getEnableAlways();

    64 

    65 	public abstract void setEnableManual(boolean value);

    66 

    67 	public abstract boolean getEnableManual();

    68 }