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update guava to 18.0, magriate compute map by package level implement

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wener
2015-04-23 22:15:57 +08:00
parent bdf3b0c861
commit 6a0733bbab
14 changed files with 633 additions and 502 deletions
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58
filter/src/main/java/com/alibaba/otter/canal/filter/PatternUtils.java
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@@ -1,48 +1,54 @@
package com.alibaba.otter.canal.filter;
import com.alibaba.otter.canal.filter.exception.CanalFilterException;
import com.google.common.base.Function;
import com.google.common.collect.MapMaker;
import com.google.common.collect.MigrateMap;
import java.util.Map;
import org.apache.oro.text.regex.MalformedPatternException;
import org.apache.oro.text.regex.Pattern;
import org.apache.oro.text.regex.PatternCompiler;
import org.apache.oro.text.regex.Perl5Compiler;
import com.alibaba.otter.canal.filter.exception.CanalFilterException;
import com.google.common.base.Function;
import com.google.common.collect.MapMaker;
/**
* 提供{@linkplain Pattern}的lazy get处理
*
*
* @author jianghang 2013-1-22 下午09:36:44
* @version 1.0.0
*/
public class PatternUtils {
public class PatternUtils
{
private static Map<String, Pattern> patterns = new MapMaker().softValues().makeComputingMap(
new Function<String, Pattern>() {
private static Map<String, Pattern> patterns = MigrateMap.makeComputingMap(new MapMaker().softValues(),
new Function<String, Pattern>()
{
public Pattern apply(
String pattern) {
try {
PatternCompiler pc = new Perl5Compiler();
return pc.compile(
pattern,
Perl5Compiler.CASE_INSENSITIVE_MASK
| Perl5Compiler.READ_ONLY_MASK
| Perl5Compiler.SINGLELINE_MASK);
} catch (MalformedPatternException e) {
throw new CanalFilterException(
e);
}
}
});
public Pattern apply(
String pattern)
{
try
{
PatternCompiler pc = new Perl5Compiler();
return pc.compile(
pattern,
Perl5Compiler.CASE_INSENSITIVE_MASK
| Perl5Compiler.READ_ONLY_MASK
| Perl5Compiler.SINGLELINE_MASK);
} catch (MalformedPatternException e)
{
throw new CanalFilterException(
e);
}
}
});
public static Pattern getPattern(String pattern) {
public static Pattern getPattern(String pattern)
{
return patterns.get(pattern);
}
public static void clear() {
public static void clear()
{
patterns.clear();
}
}