components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/cli/OptionFormatter.java
changeset 827 0944d8c0158b
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826:c6aad84d2493 827:0944d8c0158b
       
     1 /*
       
     2  * CDDL HEADER START
       
     3  *
       
     4  * The contents of this file are subject to the terms of the
       
     5  * Common Development and Distribution License (the "License").
       
     6  * You may not use this file except in compliance with the License.
       
     7  *
       
     8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
       
     9  * or http://www.opensolaris.org/os/licensing.
       
    10  * See the License for the specific language governing permissions
       
    11  * and limitations under the License.
       
    12  *
       
    13  * When distributing Covered Code, include this CDDL HEADER in each
       
    14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
       
    15  * If applicable, add the following below this CDDL HEADER, with the
       
    16  * fields enclosed by brackets "[]" replaced with your own identifying
       
    17  * information: Portions Copyright [yyyy] [name of copyright owner]
       
    18  *
       
    19  * CDDL HEADER END
       
    20  */
       
    21 
       
    22 /*
       
    23  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
       
    24  */
       
    25 
       
    26 package com.oracle.solaris.vp.util.cli;
       
    27 
       
    28 import java.util.ArrayList;
       
    29 import com.oracle.solaris.vp.util.misc.TextUtil;
       
    30 
       
    31 public abstract class OptionFormatter {
       
    32     //
       
    33     // Static data
       
    34     //
       
    35 
       
    36     public static final String OPT_LIST_DELIM = " ";
       
    37     public static final String OPT_NAME_DELIM = ",";
       
    38     public static final String OPT_CHOICE_DELIM = " | ";
       
    39     public static final String OPT_REQUIRED_ENCLOSE_LEFT = "[";
       
    40     public static final String OPT_REQUIRED_ENCLOSE_RIGHT = "]";
       
    41     public static final String OPT_GROUP_ENCLOSE_LEFT = "(";
       
    42     public static final String OPT_GROUP_ENCLOSE_RIGHT = ")";
       
    43     public static final String OPT_ARG_ENCLOSE_LEFT = "<";
       
    44     public static final String OPT_ARG_ENCLOSE_RIGHT = ">";
       
    45     public static final String OPT_REPEAT = "...";
       
    46 
       
    47     //
       
    48     // OptionFormatter methods
       
    49     //
       
    50 
       
    51     public String getFormatted(Option opt, boolean allNames) {
       
    52 	return getFormatted(opt, allNames, false, true);
       
    53     }
       
    54 
       
    55     public String getFormatted(String opt) {
       
    56 	return getFormatted(new String[] {opt});
       
    57     }
       
    58 
       
    59     public String getFormatted(String opt, String optArg) {
       
    60 	return getFormatted(new String[] {opt}, optArg);
       
    61     }
       
    62 
       
    63     public abstract String getFormatted(String[] opts);
       
    64 
       
    65     public abstract String getFormatted(String[] opts, String optArg);
       
    66 
       
    67     //
       
    68     // Private methods
       
    69     //
       
    70 
       
    71     private String getFormatted(Option opt, boolean allNames,
       
    72 	boolean showGroup, boolean required) {
       
    73 
       
    74 	StringBuilder buffer = new StringBuilder();
       
    75 
       
    76 	if (!required) {
       
    77 	    buffer.append(OPT_REQUIRED_ENCLOSE_LEFT);
       
    78 	    showGroup = false;
       
    79 	}
       
    80 
       
    81 	if (opt instanceof OptionElement) {
       
    82 	    OptionElement element = (OptionElement)opt;
       
    83 
       
    84 	    buffer.append(allNames ?
       
    85 		getFormatted(element.getNames(), element.getArgName()) :
       
    86 		getFormatted(element.getName(), element.getArgName()));
       
    87 
       
    88 	    if (element.getUseLimit() < 0) {
       
    89 		buffer.append(OPT_REPEAT);
       
    90 	    }
       
    91 	} else
       
    92 
       
    93 	if (opt instanceof OptionGroup) {
       
    94 	    ArrayList<String> list = new ArrayList<String>();
       
    95 	    String delim = opt instanceof OptionChoiceGroup ?
       
    96 		OPT_CHOICE_DELIM : OPT_LIST_DELIM;
       
    97 
       
    98 	    for (Option subOpt : ((OptionGroup)opt).getOptions()) {
       
    99 		if (subOpt.isDocumented()) {
       
   100 		    list.add(getFormatted(subOpt, allNames, showGroup,
       
   101 			opt instanceof OptionChoiceGroup ?
       
   102 			true : subOpt.isRequired()));
       
   103 		}
       
   104 	    }
       
   105 
       
   106 	    if (showGroup) {
       
   107 		buffer.append(OPT_GROUP_ENCLOSE_LEFT);
       
   108 	    }
       
   109 
       
   110 	    buffer.append(TextUtil.join(delim, list));
       
   111 
       
   112 	    if (showGroup) {
       
   113 		buffer.append(OPT_GROUP_ENCLOSE_RIGHT);
       
   114 	    }
       
   115 	}
       
   116 
       
   117 	if (!required) {
       
   118 	    buffer.append(OPT_REQUIRED_ENCLOSE_RIGHT);
       
   119 	}
       
   120 
       
   121 	return buffer.toString();
       
   122     }
       
   123 }