bshloglistener.java

来自「java pos,你可以直接编译运行,」· Java 代码 · 共 320 行 · 第 1/2 页

            ret[i] = buff.toString();
        }
        return ret;
    }
    public LogEvent log(org.jpos.util.LogEvent ev) {
        LogEvent ret = ev;
        boolean processed = false;
        try{
            String[] sources = replace(cfg.getAll("source"), patterns, new String[] {ev.tag, ev.getRealm()});
            for(int i=0; i<sources.length && ret != null; i++){
                try{
                    Interpreter bsh = new Interpreter();
                    BSHLogListener.ScriptInfo info = getScriptInfo(sources[i]);
                    NameSpace ns = (info!=null)?info.getNameSpace():null;
                    if(ns!=null) bsh.setNameSpace(ns);
                    bsh.set("event", ret);
                    bsh.set("cfg", cfg);
                    File f = new File(sources[i]);
                    if(!cfg.getBoolean("preload-scripts")){
                        if(f.exists() && f.canRead() && f.isFile()){
                            //if(f.lastModified())
                            processed = true;
                            bsh.eval(new java.io.FileReader(f));
                        }
                    }else{
                        if(info == null) scripts.put(sources[i], info=new ScriptInfo());
                        String code;
                        if(System.currentTimeMillis() > info.getLastCheck() + cfg.getLong("reload")){
                            info.setLastCheck(System.currentTimeMillis());
                            if(f.exists() && f.canRead() && f.isFile()){
                                if(info.getLastModified() != f.lastModified()) {
                                    info.setLastModified(f.lastModified());
                                    info.setCode(loadCode(f));
                                }
                            }else{
                                info.setCode(null);
                            }
                        }
                        if(info.getCode() != null){
                            processed = true;
                            bsh.eval(new StringReader(info.getCode()));
                        }else scripts.remove(sources[i]);
                    }
                    ret = (LogEvent)bsh.get("event");
                    Object saveNS = bsh.get("saveNameSpace");
                    boolean saveNameSpace = 
                        (saveNS instanceof Boolean)?((Boolean)saveNS).booleanValue():cfg.getBoolean("save-name-space");
                    if(saveNameSpace) {
                        if(info!=null) info.setNameSpace(bsh.getNameSpace());
                        else scripts.put(sources[i], new ScriptInfo(bsh.getNameSpace()));
                    }else if (info!=null) info.setNameSpace(null);
                }catch(Exception e){
                    ret.addMessage(e);
                }
            }
            return (!processed && cfg.getBoolean("filter-by-default"))?null:ret;
        }catch(Exception e){
            ret.addMessage(e);
            return ret;
        }
    }
    protected String loadCode(File f) throws IOException{
        FileReader r = new FileReader(f);
        StringBuffer buf = new StringBuffer((int)f.length());
        char[] content = new char[(int)f.length()];
        int l;
        while((l=r.read(content))!=-1) buf.append(content,0,l);
        return buf.toString();
    }
    
    protected ScriptInfo getScriptInfo(String filename){
        return (ScriptInfo)scripts.get(filename);
    }
    protected void addScriptInfo(String filename, String code, long lastModified){
        scripts.put(filename, new ScriptInfo(code, lastModified));
    }
    protected class ScriptInfo{
        String code;
        long lastModified;
        long lastCheck;
        NameSpace nameSpace;
        
        public ScriptInfo(){
        }
        public ScriptInfo(NameSpace ns){
            nameSpace = ns;
        }
        
        public ScriptInfo(String code, long lastModified){
            setCode(code);
            setLastModified(lastModified);
        }
        
        /** Getter for property code.
         * @return Value of property code.
         *
         */
        public java.lang.String getCode() {
            return code;
        }
        
        /** Setter for property code.
         * @param code New value of property code.
         *
         */
        public void setCode(java.lang.String code) {
            this.code = code;
        }
        
        /** Getter for property lastModified.
         * @return Value of property lastModified.
         *
         */
        public long getLastModified() {
            return lastModified;
        }
        
        /** Setter for property lastModified.
         * @param lastModified New value of property lastModified.
         *
         */
        public void setLastModified(long lastModified) {
            this.lastModified = lastModified;
        }
        
        /** Getter for property lastCheck.
         * @return Value of property lastCheck.
         *
         */
        public long getLastCheck() {
            return lastCheck;
        }
        
        /** Setter for property lastCheck.
         * @param lastCheck New value of property lastCheck.
         *
         */
        public void setLastCheck(long lastCheck) {
            this.lastCheck = lastCheck;
        }
        
        /** Getter for property nameSpace.
         * @return Value of property nameSpace.
         *
         */
        public NameSpace getNameSpace() {
            return nameSpace;
        }
        
        /** Setter for property nameSpace.
         * @param nameSpace New value of property nameSpace.
         *
         */
        public void setNameSpace(NameSpace nameSpace) {
            this.nameSpace = nameSpace;
        }
        
    }
}