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AppInfo.java

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package org.gnu.pilotlink;

public abstract class AppInfo {
    protected byte buffer[];
    protected String categories[]=new String[16];
    protected boolean isCatRenamed[]=new boolean[16];
    protected int catCount=0;
    protected int dataOffset=0;
    protected int bits;
    protected long id[];
    protected int lastUniqueID;
    
    public AppInfo() {
        buffer=new byte[65535];
    }
    
    public AppInfo(AppInfo ai) {
        setBuffer(ai.getBuffer());
    }

    public abstract void setBuffer(byte[] b);
    
    public void parseCategories(){
        bits=buffer[0]*256+buffer[1];
        id=new long[4];
        catCount=0;
        for (int i=0; i<16; i++) {
                if (buffer[2+i*16]!=0) {
                        categories[i]=getStringAt(buffer,2+i*16);
                                 //=new String(buffer,2+i*16,16);
                        
                        //System.out.println("Got Category: \""+categories[i]+"\"");
                        catCount++;
                } else {
                        categories[i]=null;
                }
                if ( (bits&(1<<i))!=0) {
                        isCatRenamed[i]=true;
                } else {
                        isCatRenamed[i]=false;
                }
        }       
        dataOffset=2+16*16;
        for (int i=0; i<4; i++) {
                id[i]=Record.getLongAt(buffer,dataOffset);
                dataOffset+=4;
        }
        lastUniqueID=buffer[dataOffset];
        dataOffset+=4;
        
        
    }
    
    public void createDefaultBuffer() {
        for (int i=0; i<buffer.length; i++) {
                buffer[i]=0;
        }
    
        bits=0;
        for (int i=0; i<16; i++) {
                if (isCatRenamed[i]) {
                        bits|=(1<<i);
                }
                if (categories[i]!=null) {
                        for (int ch=0;ch<16 && ch<categories[i].length();ch++) {
                                char z=categories[i].charAt(ch);
                                buffer[2+i*16+ch]=(byte)z;
                        }
                }                       
        }
        buffer[0]=(byte) (bits>>256);
        buffer[1]=(byte) (bits&256);
    }
    
    
    public abstract byte[] getBuffer() ;
    public boolean isCatRenamed(int idx) {
        return isCatRenamed[idx];
    }
    public void setCatRenamed(int idx,boolean b) {
        isCatRenamed[idx]=b;
    }
    
    public String getCatName(int idx) {
        return categories[idx];
    }
    public void setCatName(int idx,String n){
        if (n.length()>16) {
                n=n.substring(0,16);
        }
        categories[idx]=n;
    }
    
    public static String getStringAt(byte buffer[], int idx) {
        String str="";
        while (idx<buffer.length && str.length()<16&&buffer[idx]!=0) {
                
                str+=(char)buffer[idx];
                
                idx++;
        }
        return str;
    }
    public int getCatCount() {
        return catCount;
    }
    
    public String toString() {
        String out="Kategories";
        for (int i=0; i<16; i++) {
                out+=" "+categories[i];
                if (isCatRenamed(i)) {
                        out+="(ren)";
                }
        }
        return out;
    }
}

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