HP:http://heyesh.hp.infoseek.co.jp/
]]>
絎竴涓寫鍑簅rg.hibernate.cfg.Configuration銆傚洜涓鴻繖涓笢瑗跨敤寰楁渶澶氥?br />
渚嬪addXXXX鏂規(guī)硶鏈鍚庨兘璋冪敤鍒癮dd鏂規(guī)硶錛屼竴涓嬪瓙灝卞彲浠ヨ煩榪嘚澶氭浠ｇ爜鐩存帴鐪媋dd鏂規(guī)硶
protected void add(org.dom4j.Document doc) throws MappingException {
HbmBinder.bindRoot( doc, createMappings(), CollectionHelper.EMPTY_MAP );
}
HbmBinder.bindRoot( doc, createMappings(), CollectionHelper.EMPTY_MAP );
}
bindRoot鏂規(guī)硶紼嶅井鐪嬩簡涓涓嬶紝涓鐪嬪埌鏄В鏋恱ml鐨勶紝灝卞彲浠ヨ煩榪囦笉鐪嬨傚叾瀹炵寽涔熻兘鐚滃埌鏄В鏋恏bm.xml鐨勩?br />
鏈夋剰鎬濈殑鏄?.hbm.xml"鍦ㄩ噷闈㈡槸鍥哄畾鍐欐鐨勶紝榪炰釜constant 鍙橀噺閮芥病鏈夊仛錛岀湅鏉ヤ綔鑰呬互鍚庢槸涓嶆墦綆楁敼浜?br />
涓旂湅addDirectory鏂規(guī)硶
/**
* Read all mapping documents from a directory tree.
* <p/>
* Assumes that any file named <tt>*.hbm.xml</tt> is a mapping document.
*
* @param dir The directory
* @return this (for method chaining purposes)
* @throws MappingException Indicates problems reading the jar file or
* processing the contained mapping documents.
*/
public Configuration addDirectory(File dir) throws MappingException {
File[] files = dir.listFiles();
for ( int i = 0; i < files.length ; i++ ) {
if ( files[i].isDirectory() ) {
addDirectory( files[i] );
}
else if ( files[i].getName().endsWith( ".hbm.xml" ) ) {
addFile( files[i] );
}
}
return this;
}
* Read all mapping documents from a directory tree.
* <p/>
* Assumes that any file named <tt>*.hbm.xml</tt> is a mapping document.
*
* @param dir The directory
* @return this (for method chaining purposes)
* @throws MappingException Indicates problems reading the jar file or
* processing the contained mapping documents.
*/
public Configuration addDirectory(File dir) throws MappingException {
File[] files = dir.listFiles();
for ( int i = 0; i < files.length ; i++ ) {
if ( files[i].isDirectory() ) {
addDirectory( files[i] );
}
else if ( files[i].getName().endsWith( ".hbm.xml" ) ) {
addFile( files[i] );
}
}
return this;
}
榪欐浠ｇ爜鍛婅瘔鎴戜滑浠涔堬紵鍛婅瘔鎴戜滑".hbm.xml"绱犲尯鍒嗗ぇ灝忓啓鐨勩傘傘傘?HBM.XML榪欐牱鐨勫悗緙鍚嶄綔鑰呬笉鎵撶畻鎺ュ彈銆傘傘?br />
]]>
鍏跺疄鍑犲勾j2ee鍋氫笅鏉ワ紝澶ф鏋舵惌濂戒互鍚庯紝閲岄潰鐨勫叿浣撳疄鐜拌姹傚茍涓嶉珮銆傛垜瑙夊緱濂界殑浠ｇ爜灝變袱涓姹傦紝涓姝ｇ‘浜岀畝媧併?br />
鍋氬埌榪欎袱鏉″叾瀹炲緢涓嶅鏄撱傛紜氨瑕佹眰浣犱唬鐮侀噷涓嶇暀鍙兘浼?xì)鍑篵ug鐨勫湴鏂廣傚啓鍒嗘敮鐨勬椂鍊欐槸鍚﹁冭檻鍏ㄩ潰錛熸湁娌℃湁婕忔帀錛熸槸鍚﹀寮哄．錛屾湁娌℃湁璁╁埆浜烘敾鍑葷殑婕忔礊銆?br /> 寰堝緗戠珯涓鍑洪敊灝辨妸stacktrace鎵撳湪緗戦〉涓婏紙yes錛?net灝辯礌錛夛紝榪欑閮藉緢瀹規(guī)槗璁╀漢鏀誨嚮銆傝繕鏈塖QL Injection錛岃繖縐嶉兘绱犺鍑哄ぇ涔卞瓙鐨勪簨銆?br />
浜屾槸綆媧侊紝姝ｇ‘鐨勪唬鐮佷竴鑸兘鏄畝媧佺殑錛岃繖鏄垜鐨勮涓恒傝搗鍙橀噺鍚嶄篃濂斤紝鍐檌f/else涔熷ソ錛屾垜鐪嬩笅鏉?00涓漢鏈?00縐嶅啓娉曘?br /> 鍒瑧錛屾湁鍝釜鍏徃閲岀殑coder瀵瑰悓涓涓笢瑗匡紝姣斿鏉冮檺錛屾瘮濡傜敤鎴峰悕錛岃搗鐨勫彉閲忓悕閮芥槸涓鏍風(fēng)殑錛?br /> 璇村埌搴曠幇鍦ㄨ蔣浠朵笟灝辨槸宸ヤ笟鍖栵紝澶ц妯″紑鍙戙備袱鍙板悓涓鍨嬪彿鐨勭數(shù)瑙嗘満鎷嗗紑鏉ラ噷闈㈡槸涓妯′竴鏍風(fēng)殑錛屼絾鏄墦寮涓や釜鐩稿悓鍔熻兘鐨勪唬鐮侀噷闈㈤兘鏄崈濂囩櫨鎬殑銆?br />
鎬諱箣鏉ヨ鍏跺疄嫻嬭瘯鐨勮姹傝楂樹簬浠ｇ爜錛岃屼笖闅愯棌鍦ㄦ繁澶勭殑bug寰寰鏄祴璇曞嚭鏉ug鐨勫嚑鍊嶃傚彲鏄繖閲屽緢灝戣璁烘庢牱鎸栫┖蹇冩濇祴bug闃匡紝鍙儨銆?br />
榪欏彧鏄浠ｇ爜銆傛渶鍩烘湰鐨勩?br />
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URLClassLoader classLoader = new URLClassLoader(new URL[]{file.toURI().toURL()});
classLoader.loadClass(driverClass); // OK
Class.forName(driverClass); // NG
Class.forName(driverClass,true,classLoader);// OK
classLoader.loadClass(driverClass); // OK
Class.forName(driverClass); // NG
Class.forName(driverClass,true,classLoader);// OK
鍙湁鐢–lass.forName(String,boolean,ClassLoader)榪欐牱鎸囧畾ClassLoader鎵嶈兘鎵劇殑鍒拌繖涓被銆?br /> 浣嗘槸鏈変簺Pool錛屾瘮濡侰3P0錛屼粬娌℃湁鑰冭檻鍒拌繖涓鐐癸紝榪樻槸鐢⊿ystemClassLoader鍘籰oad錛屾瘡嬈￠兘鎶ユ壘涓嶅埌椹卞姩錛屾悶寰楁垜寰堢棝鑻︺?br />
鍏堟兂浜嗕竴涓獁alkaround錛屽氨鏄嚜宸卞啓涓涓狣ataSource銆傝繖閲屾垜鍐欑偣澶ф剰浠ｇ爜銆?br />
URLClassLoader classLoader = new URLClassLoader(new URL[]{file.toURI().toURL()});
Class clazz = classLoader.loadClass(driverClass); // OK
Driver driver = (Driver)clazz.newInstance();
//
private class URLDataSource implements DataSource {
/* (non-Javadoc)
* @see javax.sql.DataSource#getConnection(java.lang.String, java.lang.String)
*/
public Connection getConnection(String username, String password) throws SQLException {
// TODO Auto-generated method stub
Properties props = new Properties();
props.setProperty("user", username);
props.setProperty("password", password);
return driver.connect(jdbcurl, props);
}
}
榪欐牱灝卞彲浠ュ彇鍒頒竴涓嚜宸辯殑DataSource錛屽彲浠ュ厛鎶婂叾浠栫殑浠ｇ爜榪涜涓嬪幓錛屼互鍚庡彲浠ュ啀鍥炲埌榪欓噷鎱㈡參瀹屽杽銆?br />
Class clazz = classLoader.loadClass(driverClass); // OK
Driver driver = (Driver)clazz.newInstance();
//
private class URLDataSource implements DataSource {
/* (non-Javadoc)
* @see javax.sql.DataSource#getConnection(java.lang.String, java.lang.String)
*/
public Connection getConnection(String username, String password) throws SQLException {
// TODO Auto-generated method stub
Properties props = new Properties();
props.setProperty("user", username);
props.setProperty("password", password);
return driver.connect(jdbcurl, props);
}
}
]]>