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comparison src/luan/LuanState.java @ 1264:d41997776788

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fix onClose issues
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 25 Sep 2018 17:03:57 -0600
parents cb422386f6b5
children 9fa8b8389578
comparison
equal deleted inserted replaced
1263:382c444a6c77 1264:d41997776788
1 package luan; 1 package luan;
2 2
3 import java.io.Closeable; 3 import java.io.Closeable;
4 import java.io.IOException; 4 import java.io.IOException;
5 import java.lang.ref.Reference;
6 import java.lang.ref.WeakReference;
7 import java.util.List;
8 import java.util.ArrayList;
9 import java.util.Map; 5 import java.util.Map;
10 import java.util.HashMap; 6 import java.util.HashMap;
11 import org.slf4j.Logger; 7 import org.slf4j.Logger;
12 import org.slf4j.LoggerFactory; 8 import org.slf4j.LoggerFactory;
13 import luan.impl.LuanCompiler; 9 import luan.impl.LuanCompiler;
18 public final class LuanState implements LuanCloneable { 14 public final class LuanState implements LuanCloneable {
19 private static final Logger logger = LoggerFactory.getLogger(LuanState.class); 15 private static final Logger logger = LoggerFactory.getLogger(LuanState.class);
20 16
21 public LuanJavaOk javaOk; 17 public LuanJavaOk javaOk;
22 private Map registry; 18 private Map registry;
23 private final List<Reference<Closeable>> onClose = new ArrayList<Reference<Closeable>>();
24 public boolean isLocked = false; 19 public boolean isLocked = false;
20
21 public interface OnClose extends Closeable {
22 public void onClose(Closeable c);
23 }
24 public OnClose onClose;
25 25
26 public LuanState() { 26 public LuanState() {
27 javaOk = new LuanJavaOk(); 27 javaOk = new LuanJavaOk();
28 registry = new HashMap(); 28 registry = new HashMap();
29 } 29 }
45 public Map registry() { 45 public Map registry() {
46 return registry; 46 return registry;
47 } 47 }
48 48
49 public void onClose(Closeable c) { 49 public void onClose(Closeable c) {
50 onClose.add(new WeakReference<Closeable>(c)); 50 if( onClose != null )
51 } 51 onClose.onClose(c);
52
53 public void close() {
54 for( Reference<Closeable> ref : onClose ) {
55 Closeable c = ref.get();
56 if( c != null ) {
57 try {
58 c.close();
59 } catch(IOException e) {
60 logger.error(c.toString(),e);
61 }
62 }
63 }
64 onClose.clear();
65 }
66
67 protected void finalize() throws Throwable {
68 close();
69 } 52 }
70 53
71 public final Object eval(String cmd,Object... args) throws LuanException { 54 public final Object eval(String cmd,Object... args) throws LuanException {
72 return Luan.load(cmd,"eval").call(this,args); 55 return Luan.load(cmd,"eval").call(this,args);
73 } 56 }