Coverage Report

Coverage Report - org.seasar.uruma.util.win32.Win32Util

Classes in this File

Line Coverage

Branch Coverage

Complexity

Win32Util

0/17

0/8

2.667

 /*
  * Copyright 2004-2008 the Seasar Foundation and the Others.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
  * either express or implied. See the License for the specific language
  * governing permissions and limitations under the License.
  */
 package org.seasar.uruma.util.win32;
 
 import java.io.StringWriter;
 
 import org.eclipse.swt.internal.win32.OS;
 import org.seasar.uruma.exception.Win32ApiException;
 
 /**
  * Win32API コールに関するユーティリティクラスです。<br />
  * 
  * @author y-komori
  */
 public class Win32Util {
     private Win32Util() {
 
     }
 
     /**
      * OSから与えられた戻り値をもとにメッセージを取得します。<br />
      * <p>
      * 出典 : http://homepage2.nifty.com/igat/igapyon/diary/2005/ig051228.html
      * </p>
      * 
      * @param rc
      *            Win32APIから返却されるDWORD値
      * @return OSから得られたメッセージ
      */
     public static String formatMessage(final int rc) {
         final int[] lpMsgBuf = new int[2048];
         final int retCode = OS.FormatMessage(OS.FORMAT_MESSAGE_FROM_SYSTEM, 0,
                 rc, 0, lpMsgBuf, lpMsgBuf.length, 0);
         if (retCode == 0) {
             throw new Win32ApiException("FormatMessage", Integer.valueOf(
                     OS.GetLastError()).toString());
         }
 
         return lpmsgbuf2String(lpMsgBuf) + "(" + rc + ")";
     }
 
     /**
      * <code>LPMSGBUF</code> を {@link String} オブジェクトに変換します。<br />
      * <p>
      * 出典 : http://homepage2.nifty.com/igat/igapyon/diary/2005/ig051228.html
      * </p>
      * 
      * @param lpMsgBuf
      *            C言語上としての文字列
      * @return {@link String} 化された文字列
      */
     public static String lpmsgbuf2String(final int[] lpMsgBuf) {
         final StringWriter result = new StringWriter();
         for (int index = 0; index < lpMsgBuf.length; index++) {
             if (lpMsgBuf[index] == 0) {
                 // NULLが現れたら中断。
                 break;
             }
             result.write(lpMsgBuf[index]);
 
             if (lpMsgBuf[index] / 0x10000 == 0) {
                 // NULLが現れたら中断。
                 break;
             }
             result.write(lpMsgBuf[index] / 0x10000);
         }
         result.flush();
         return result.toString();
     }
 }

1		/*
2		* Copyright 2004-2008 the Seasar Foundation and the Others.
3		*
4		* Licensed under the Apache License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at
7		*
8		* http://www.apache.org/licenses/LICENSE-2.0
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13		* either express or implied. See the License for the specific language
14		* governing permissions and limitations under the License.
15		*/
16		package org.seasar.uruma.util.win32;
17
18		import java.io.StringWriter;
19
20		import org.eclipse.swt.internal.win32.OS;
21		import org.seasar.uruma.exception.Win32ApiException;
22
23		/**
24		* Win32API コールに関するユーティリティクラスです。<br />
25		*
26		* @author y-komori
27		*/
28		public class Win32Util {
29	0	private Win32Util() {
30
31	0	}
32
33		/**
34		* OSから与えられた戻り値をもとにメッセージを取得します。<br />
35		* <p>
36		* 出典 : http://homepage2.nifty.com/igat/igapyon/diary/2005/ig051228.html
37		* </p>
38		*
39		* @param rc
40		* Win32APIから返却されるDWORD値
41		* @return OSから得られたメッセージ
42		*/
43		public static String formatMessage(final int rc) {
44	0	final int[] lpMsgBuf = new int[2048];
45	0	final int retCode = OS.FormatMessage(OS.FORMAT_MESSAGE_FROM_SYSTEM, 0,
46		rc, 0, lpMsgBuf, lpMsgBuf.length, 0);
47	0	if (retCode == 0) {
48	0	throw new Win32ApiException("FormatMessage", Integer.valueOf(
49		OS.GetLastError()).toString());
50		}
51
52	0	return lpmsgbuf2String(lpMsgBuf) + "(" + rc + ")";
53		}
54
55		/**
56		* <code>LPMSGBUF</code> を {@link String} オブジェクトに変換します。<br />
57		* <p>
58		* 出典 : http://homepage2.nifty.com/igat/igapyon/diary/2005/ig051228.html
59		* </p>
60		*
61		* @param lpMsgBuf
62		* C言語上としての文字列
63		* @return {@link String} 化された文字列
64		*/
65		public static String lpmsgbuf2String(final int[] lpMsgBuf) {
66	0	final StringWriter result = new StringWriter();
67	0	for (int index = 0; index < lpMsgBuf.length; index++) {
68	0	if (lpMsgBuf[index] == 0) {
69		// NULLが現れたら中断。
70	0	break;
71		}
72	0	result.write(lpMsgBuf[index]);
73
74	0	if (lpMsgBuf[index] / 0x10000 == 0) {
75		// NULLが現れたら中断。
76	0	break;
77		}
78	0	result.write(lpMsgBuf[index] / 0x10000);
79		}
80	0	result.flush();
81	0	return result.toString();
82		}
83		}