(); public String getPropertyAndComment(String key) {
Object oval = super.get(key);
String sval = (oval instanceof String) ? (String) oval : null;
String coment = comments.get(key);
String co = coment == null ? "" : coment;
// System.out.println(key+":"+coment);
return ((sval == null) && (defaults != null)) ? defaults
.getProperty(key) + co : sval + co;
}
/**
* jdk源方法
* */
public synchronized void load(InputStream inStream) throws IOException {
load0(new LineReader(inStream));
}
/**
* jdk源方法,经改造后不忽略注释
* */
private void load0(LineReader lr) throws IOException {
char[] convtBuf = new char[1024];
int limit;
int keyLen;
int valueStart;
char c;
boolean hasSep;
boolean precedingBackslash;
String coment = "";
while ((limit = lr.readLine()) >= 0) {
c = 0;
keyLen = 0;
valueStart = limit;
hasSep = false;
precedingBackslash = false;
// 注释相关
if ('#' == lr.lineBuf[0]) {
coment = loadConvert(lr.lineBuf, 0, limit, convtBuf);
coment = new String(coment.getBytes("iso8859-1"), "utf-8");
// System.out.println(coment);
continue;
}
// System.out.println("line=<" + new String(lineBuf, 0, limit) +
// ">");
while (keyLen < limit) {
c = lr.lineBuf[keyLen];
// need check if escaped.
if ((c == '=' || c == ':') && !precedingBackslash) {
valueStart = keyLen + 1;
hasSep = true;
break;
} else if ((c == ' ' || c == '\' || c == '\\f')
&& !precedingBackslash) {
valueStart = keyLen + 1;
break;
}
if (c == '\\\\') {
precedingBackslash = !precedingBackslash;
} else {
precedingBackslash = false;
}
keyLen++;
}
while (valueStart < limit) {
c = lr.lineBuf[valueStart];
if (c != ' ' && c != '\' && c != '\\f') {
if (!hasSep && (c == '=' || c == ':')) {
hasSep = true;
} else {
break;
}
}
valueStart++;
}
String key = loadConvert(lr.lineBuf, 0, keyLen, convtBuf);
String value = loadConvert(lr.lineBuf, valueStart, limit
- valueStart, convtBuf);
put(key, value);
// 注释相关
if (coment != null && coment.length() > 0) {
comments.put(key, coment);
coment = "";// 重置注释
}
}
}
/**
* jdk源方法
* */
private String loadConvert(char[] in, int off, int len, char[] convtBuf) {
if (convtBuf.length < len) {
int newLen = len * 2;
if (newLen < 0) {
newLen = Integer.MAX_VALUE;
}
convtBuf = new char[newLen];
}
char aChar;
char[] out = convtBuf;
int outLen = 0;
int end = off + len;
while (off < end) {
aChar = in[off++];
if (aChar == '\\\\') {
aChar = in[off++];
if (aChar == 'u') {
// Read the xxxx
int value = 0;
for (int i = 0; i < 4; i++) {
aChar = in[off++];
switch (aChar) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
value = (value << 4) + aChar - '0';
break;
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
value = (value << 4) + 10 + aChar - 'a';
break;
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
value = (value << 4) + 10 + aChar - 'A';
break;
default:
throw new IllegalArgumentException(
"Malformed \\\ encoding.");
}
}
out[outLen++] = (char) value;
} else {
if (aChar == 't')
aChar = '\';
else if (aChar == 'r')
aChar = '\\r';
else if (aChar == 'n')
aChar = '\\n';
else if (aChar == 'f')
aChar = '\\f';
out[outLen++] = aChar;
}
} else {
out[outLen++] = aChar;
}
}
return new String(out, 0, outLen);
}
class LineReader {
/**
* jdk源方法
* */
public LineReader(InputStream inStream) {
this.inStream = inStream;
inByteBuf = new byte[8192];
}
/**
* jdk源方法
* */
public LineReader(Reader reader) {
this.reader = reader;
inCharBuf = new char[8192];
}
byte[] inByteBuf;
char[] inCharBuf;
char[] lineBuf = new char[1024];
int inLimit = 0;
int inOff = 0;
InputStream inStream;
Reader reader;
/**
* jdk源方法,但经过改造,不再忽略注释
* */
int readLine() throws IOException {
int len = 0;
char c = 0;
boolean skipWhiteSpace = true;
boolean isCommentLine = false;
boolean isNewLine = true;
boolean appendedLineBegin = false;
boolean precedingBackslash = false;
boolean skipLF = false;
while (true) {
if (inOff >= inLimit) {
inLimit = (inStream == null) ? reader.read(inCharBuf)
: inStream.read(inByteBuf);
inOff = 0;
if (inLimit <= 0) {
if (len == 0 || isCommentLine) {
return -1;
}
return len;
}
}
if (inStream != null) {
// The line below is equivalent to calling a
// ISO8859-1 decoder.
c = (char) (0xff & inByteBuf[inOff++]);
} else {
c = inCharBuf[inOff++];
}
if (skipLF) {
skipLF = false;
if (c == '\\n') {
continue;
}
}
if (skipWhiteSpace) {
if (c == ' ' || c == '\' || c == '\\f') {
continue;
}
if (!appendedLineBegin && (c == '\\r' || c == '\\n')) {
continue;
}
skipWhiteSpace = false;
appendedLineBegin = false;
}
if (isNewLine) {
isNewLine = false;
if (c == '#' || c == '!') {
// isCommentLine = true;
// continue;
}
}
if (c != '\\n' && c != '\\r') {
lineBuf[len++] = c;
if (len == lineBuf.length) {
int newLength = lineBuf.length * 2;
if (newLength < 0) {
newLength = Integer.MAX_VALUE;
}
char[] buf = new char[newLength];
System.arraycopy(lineBuf, 0, buf, 0, lineBuf.length);
lineBuf = buf;
}
// flip the preceding backslash flag
if (c == '\\\\') {
precedingBackslash = !precedingBackslash;
} else {
precedingBackslash = false;
}
} else {
// reached EOL
if (isCommentLine || len == 0) {
isCommentLine = false;
isNewLine = true;
skipWhiteSpace = true;
len = 0;
continue;
}
if (inOff >= inLimit) {
inLimit = (inStream == null) ? reader.read(inCharBuf)
: inStream.read(inByteBuf);
inOff = 0;
if (inLimit <= 0) {
return len;
}
}
if (precedingBackslash) {
len -= 1;
// skip the leading whitespace characters in following
// line
skipWhiteSpace = true;
appendedLineBegin = true;
precedingBackslash = false;
if (c == '\\r') {
skipLF = true;
}
} else {
return len;
}
}
}
}
}
}