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QuestDB is High Performance Time Series Database
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (C) 2014-2016 Appsicle
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
******************************************************************************/
package com.questdb.io.sink;
import com.questdb.misc.Dates;
import com.questdb.misc.Misc;
import com.questdb.misc.Numbers;
import com.questdb.misc.Unsafe;
import com.questdb.std.CharSink;
import com.questdb.std.ObjHashSet;
import com.questdb.std.Sinkable;
import java.util.Set;
public abstract class AbstractCharSink implements CharSink {
private static final ThreadLocal> tlSet = new ThreadLocal>() {
@Override
protected ObjHashSet initialValue() {
return new ObjHashSet<>();
}
};
@Override
public CharSink put(int value) {
Numbers.append(this, value);
return this;
}
@Override
public CharSink put(long value) {
Numbers.append(this, value);
return this;
}
@Override
public CharSink put(float value, int scale) {
Numbers.append(this, value, scale);
return this;
}
@Override
public CharSink put(double value, int scale) {
Numbers.append(this, value, scale);
return this;
}
@Override
public CharSink put(boolean value) {
this.put(value ? "true" : "false");
return this;
}
@Override
public CharSink put(Throwable e) {
ObjHashSet dejaVu = tlSet.get();
dejaVu.add(e);
put0(e);
put(Misc.EOL);
StackTraceElement[] trace = e.getStackTrace();
for (int i = 0, n = trace.length; i < n; i++) {
put(Unsafe.arrayGet(trace, i));
}
// Print suppressed exceptions, if any
Throwable[] suppressed = e.getSuppressed();
for (int i = 0, n = suppressed.length; i < n; i++) {
put(Unsafe.arrayGet(suppressed, i), trace, "Suppressed: ", "\t", dejaVu);
}
// Print cause, if any
Throwable ourCause = e.getCause();
if (ourCause != null) {
put(ourCause, trace, "Caused by: ", "", dejaVu);
}
return this;
}
@Override
public CharSink put(Sinkable sinkable) {
sinkable.toSink(this);
return this;
}
@Override
public CharSink putISODate(long value) {
Dates.appendDateTime(this, value);
return this;
}
@Override
public CharSink putJson(float value, int scale) {
if (value == value) {
Numbers.append(this, value, scale);
} else {
put("null");
}
return this;
}
@Override
public CharSink putJson(double value, int scale) {
if (value == value) {
Numbers.append(this, value, scale);
} else {
put("null");
}
return this;
}
@Override
public CharSink putQuoted(CharSequence cs) {
put('\"').put(cs).put('\"');
return this;
}
@Override
public CharSink putTrim(double value, int scale) {
Numbers.appendTrim(this, value, scale);
return this;
}
@Override
public CharSink putUtf8(CharSequence cs) {
int hi = cs.length();
int i = 0;
while (i < hi) {
char c = cs.charAt(i++);
if (c > 31 && c < 128) {
put(c);
} else i = putUtf8Internal(cs, hi, i, c);
}
return this;
}
@Override
public CharSink putUtf8Escaped(CharSequence cs) {
int hi = cs.length();
int i = 0;
while (i < hi) {
char c = cs.charAt(i++);
if (c > 31 && c < 128) {
switch (c) {
case '/':
case '\"':
case '\\':
put('\\');
// intentional fall through
default:
put(c);
break;
}
} else i = putUtf8Internal(cs, hi, i, c);
}
return this;
}
@Override
public CharSink putUtf8EscapedAndQuoted(CharSequence cs) {
put('\"').putUtf8Escaped(cs).put('\"');
return this;
}
private int encodeSurrogate(char c, CharSequence in, int pos, int hi) {
int dword;
if (Character.isHighSurrogate(c)) {
if (hi - pos < 1) {
put('?');
return pos;
} else {
char c2 = in.charAt(pos++);
if (Character.isLowSurrogate(c2)) {
dword = Character.toCodePoint(c, c2);
} else {
put('?');
return pos;
}
}
} else if (Character.isLowSurrogate(c)) {
put('?');
return pos;
} else {
dword = c;
}
put((char) (240 | dword >> 18)).
put((char) (128 | dword >> 12 & 63)).
put((char) (128 | dword >> 6 & 63)).
put((char) (128 | dword & 63));
return pos;
}
private void put(Throwable throwable, StackTraceElement[] enclosingTrace, String caption, String prefix, Set dejaVu) {
if (dejaVu.contains(throwable)) {
put("\t[CIRCULAR REFERENCE:");
put0(throwable);
put(']');
} else {
dejaVu.add(throwable);
// Compute number of frames in common between this and enclosing trace
StackTraceElement[] trace = throwable.getStackTrace();
int m = trace.length - 1;
int n = enclosingTrace.length - 1;
while (m >= 0 && n >= 0 && trace[m].equals(enclosingTrace[n])) {
m--;
n--;
}
int framesInCommon = trace.length - 1 - m;
put(prefix).put(caption);
put0(throwable);
put(Misc.EOL);
for (int i = 0; i <= m; i++) {
put(prefix);
put(Unsafe.arrayGet(trace, i));
}
if (framesInCommon != 0) {
put(prefix).put("\t...").put(framesInCommon).put(" more");
}
// Print suppressed exceptions, if any
Throwable[] suppressed = throwable.getSuppressed();
for (int i = 0, k = suppressed.length; i < k; i++) {
put(Unsafe.arrayGet(suppressed, i), trace, "Suppressed: ", prefix + '\t', dejaVu);
}
// Print cause, if any
Throwable cause = throwable.getCause();
if (cause != null) {
put(cause, trace, "Caused by: ", prefix, dejaVu);
}
}
}
private void put(StackTraceElement e) {
put("\tat ");
put(e.getClassName());
put('.');
put(e.getMethodName());
if (e.isNativeMethod()) {
put("(Native Method)");
} else {
if (e.getFileName() != null && e.getLineNumber() > -1) {
put('(').put(e.getFileName()).put(':').put(e.getLineNumber()).put(')');
} else if (e.getFileName() != null) {
put('(').put(e.getFileName()).put(')');
} else {
put("(Unknown Source)");
}
}
put(Misc.EOL);
}
private void put0(Throwable e) {
put(e.getClass().getName());
if (e.getMessage() != null) {
put(": ").put(e.getMessage());
}
}
private void putEscaped(char c) {
switch (c) {
case '\b':
put("\\b");
break;
case '\f':
put("\\f");
break;
case '\n':
put("\\n");
break;
case '\r':
put("\\r");
break;
case '\t':
put("\\t");
break;
default:
put(c);
break;
}
}
private int putUtf8Internal(CharSequence cs, int hi, int i, char c) {
if (c < 32) {
putEscaped(c);
} else if (c < 2048) {
put((char) (192 | c >> 6)).put((char) (128 | c & 63));
} else if (Character.isSurrogate(c)) {
i = encodeSurrogate(c, cs, i, hi);
} else {
put((char) (224 | c >> 12)).put((char) (128 | c >> 6 & 63)).put((char) (128 | c & 63));
}
return i;
}
}