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Code Issues Actions 2 Packages Projects Releases Wiki Activity

factor Properties and PropertieResourceBundle out of ResourceBundle

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This commit is contained in:
Joel Dice 2007-09-17 16:16:57 -06:00
parent b0bb443fa2
commit 86999df5f2
3 changed files with 124 additions and 114 deletions
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104
classpath/java/util/Properties.java Normal file
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@ -0,0 +1,104 @@
package java.util;
import java.io.InputStream;
import java.io.IOException;
public class Properties extends Hashtable {
public void load(InputStream in) throws IOException {
new Parser().parse(in, this);
}
private static class Parser {
private StringBuilder key = null;
private StringBuilder value = null;
private StringBuilder current = null;
private void append(int c) {
if (current == null) {
if (key == null) {
current = key = new StringBuilder();
} else {
current = value = new StringBuilder();
}
}
current.append((char) c);
}
private void finishLine(Map<String, Object> map) {
if (key != null) {
map.put(key.toString(),
(value == null ? "" : value.toString().trim()));
}
key = value = current = null;
}
private void parse(InputStream in, Map map)
throws IOException
{
boolean escaped = false;
int c;
while ((c = in.read()) != -1) {
if (c == '\\') {
if (escaped) {
escaped = false;
append(c);
} else {
escaped = true;
}
} else {
switch (c) {
case '#':
case '!':
if (key == null) {
while ((c = in.read()) != -1 && c != '\n');
} else {
append(c);
}
break;
case ' ':
case '\r':
case '\t':
if (escaped || (current != null && value == current)) {
append(c);
} else if (key == current) {
current = null;
}
break;
case ':':
case '=':
if (escaped || (current != null && value == current)) {
append(c);
} else {
if (key == null) {
key = new StringBuilder();
}
current = null;
}
break;
case '\n':
if (escaped) {
append(c);
} else {
finishLine(map);
}
break;
default:
append(c);
break;
}
escaped = false;
}
}
finishLine(map);
}
}
}

16
classpath/java/util/PropertyResourceBundle.java Normal file
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@ -0,0 +1,16 @@
package java.util;
import java.io.InputStream;
import java.io.IOException;
public class PropertyResourceBundle extends ResourceBundle {
private final Properties map = new Properties();
public PropertyResourceBundle(InputStream in) throws IOException {
map.load(in);
}
public Object handleGetObject(String key) {
return map.get(key);
}
}

118
classpath/java/util/ResourceBundle.java
View File

@ -25,7 +25,10 @@ public abstract class ResourceBundle {
(replace('.', '/', name) + ".properties");
if (in != null) {
try {
return new MapResourceBundle(name, parent, new Parser().parse(in));
ResourceBundle r = new PropertyResourceBundle(in);
r.name = name;
r.parent = parent;
return r;
} finally {
in.close();
}
@ -105,117 +108,4 @@ public abstract class ResourceBundle {
}
protected abstract Object handleGetObject(String key);
private static class MapResourceBundle extends ResourceBundle {
private final Map<String, Object> map;
public MapResourceBundle(String name, ResourceBundle parent,
Map<String, Object> map)
{
this.name = name;
this.parent = parent;
this.map = map;
}
protected Object handleGetObject(String key) {
return map.get(key);
}
}
private static class Parser {
private StringBuilder key = null;
private StringBuilder value = null;
private StringBuilder current = null;
private void append(int c) {
if (current == null) {
if (key == null) {
current = key = new StringBuilder();
} else {
current = value = new StringBuilder();
}
}
current.append((char) c);
}
private void finishLine(Map<String, Object> map) {
if (key != null) {
map.put(key.toString(),
(value == null ? "" : value.toString().trim()));
}
key = value = current = null;
}
private Map<String, Object> parse(InputStream in)
throws IOException
{
Map<String, Object> map = new HashMap();
boolean escaped = false;
int c;
while ((c = in.read()) != -1) {
if (c == '\\') {
if (escaped) {
escaped = false;
append(c);
} else {
escaped = true;
}
} else {
switch (c) {
case '#':
case '!':
if (key == null) {
while ((c = in.read()) != -1 && c != '\n');
} else {
append(c);
}
break;
case ' ':
case '\r':
case '\t':
if (escaped || key != current) {
append(c);
} else {
current = null;
}
break;
case ':':
case '=':
if (escaped || key != current) {
append(c);
} else {
if (key == null) {
key = new StringBuilder();
}
current = null;
}
break;
case '\n':
if (escaped) {
append(c);
} else {
finishLine(map);
}
break;
default:
append(c);
break;
}
escaped = false;
}
}
finishLine(map);
return map;
}
}
}