花瓣 v4.6.12版本的 MD5 值为：6a3515d4d16d98931f1b3d25a91b257e

以下内容为反编译后的 a.java 源代码，内容仅作参考

package com.liulishuo.filedownloader.services;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Binder;
import android.os.Build;
import android.os.IBinder;
import android.os.IInterface;
import android.os.RemoteException;
import com.liulishuo.filedownloader.l0.c;
import com.liulishuo.filedownloader.z;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public abstract class a<CALLBACK extends Binder, INTERFACE extends IInterface> implements z, ServiceConnection {
    private volatile INTERFACE b;
    private final Class<?> c;
    protected boolean f9994d = false;
    private final HashMap<String, Object> f9995e = new HashMap<>();
    private final List<Context> f9996f = new ArrayList();
    private final ArrayList<Runnable> f9997g = new ArrayList<>();
    private final CALLBACK a = b();

    public a(Class<?> cls) {
        this.c = cls;
    }

    private void h(boolean z) {
        if (!z && this.b != null) {
            try {
                i(this.b, this.a);
            } catch (RemoteException e2) {
                e2.printStackTrace();
            }
        }
        if (com.liulishuo.filedownloader.p0.e.a) {
            com.liulishuo.filedownloader.p0.e.a(this, "release connect resources %s", this.b);
        }
        this.b = null;
        com.liulishuo.filedownloader.g.f().a(new com.liulishuo.filedownloader.l0.c(z ? c.a.lost : c.a.disconnected, this.c));
    }

    @Override
    public void A(Context context) {
        y(context, null);
    }

    protected abstract INTERFACE a(IBinder iBinder);

    protected abstract CALLBACK b();

    protected CALLBACK c() {
        return this.a;
    }

    public INTERFACE d() {
        return this.b;
    }

    protected Object e(String str) {
        return this.f9995e.remove(str);
    }

    protected String f(Object obj) {
        if (obj == null) {
            return null;
        }
        String obj2 = obj.toString();
        this.f9995e.put(obj2, obj);
        return obj2;
    }

    protected abstract void g(INTERFACE r1, CALLBACK callback) throws RemoteException;

    protected abstract void i(INTERFACE r1, CALLBACK callback) throws RemoteException;

    @Override
    public boolean isConnected() {
        return d() != null;
    }

    @Override
    public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
        this.b = a(iBinder);
        if (com.liulishuo.filedownloader.p0.e.a) {
            com.liulishuo.filedownloader.p0.e.a(this, "onServiceConnected %s %s", componentName, this.b);
        }
        try {
            g(this.b, this.a);
        } catch (RemoteException e2) {
            e2.printStackTrace();
        }
        this.f9997g.clear();
        for (Runnable runnable : (List) this.f9997g.clone()) {
            runnable.run();
        }
        com.liulishuo.filedownloader.g.f().a(new com.liulishuo.filedownloader.l0.c(c.a.connected, this.c));
    }

    @Override
    public void onServiceDisconnected(ComponentName componentName) {
        if (com.liulishuo.filedownloader.p0.e.a) {
            com.liulishuo.filedownloader.p0.e.a(this, "onServiceDisconnected %s %s", componentName, this.b);
        }
        h(true);
    }

    @Override
    public boolean x() {
        return this.f9994d;
    }

    @Override
    public void y(Context context, Runnable runnable) {
        if (!com.liulishuo.filedownloader.p0.h.N(context)) {
            if (com.liulishuo.filedownloader.p0.e.a) {
                com.liulishuo.filedownloader.p0.e.a(this, "bindStartByContext %s", context.getClass().getSimpleName());
            }
            Intent intent = new Intent(context, this.c);
            if (runnable != null && !this.f9997g.contains(runnable)) {
                this.f9997g.add(runnable);
            }
            if (!this.f9996f.contains(context)) {
                this.f9996f.add(context);
            }
            boolean U = com.liulishuo.filedownloader.p0.h.U(context);
            this.f9994d = U;
            intent.putExtra(com.liulishuo.filedownloader.p0.b.a, U);
            context.bindService(intent, this, 1);
            if (this.f9994d) {
                if (com.liulishuo.filedownloader.p0.e.a) {
                    com.liulishuo.filedownloader.p0.e.a(this, "start foreground service", new Object[0]);
                }
                if (Build.VERSION.SDK_INT >= 26) {
                    context.startForegroundService(intent);
                    return;
                }
                return;
            }
            context.startService(intent);
            return;
        }
        throw new IllegalStateException("Fatal-Exception: You can't bind the FileDownloadService in :filedownloader process.\n It's the invalid operation and is likely to cause unexpected problems.\n Maybe you want to use non-separate process mode for FileDownloader, More detail about non-separate mode, please move to wiki manually: https://github.com/lingochamp/FileDownloader/wiki/filedownloader.properties");
    }

    @Override
    public void z(Context context) {
        if (this.f9996f.contains(context)) {
            if (com.liulishuo.filedownloader.p0.e.a) {
                com.liulishuo.filedownloader.p0.e.a(this, "unbindByContext %s", context);
            }
            this.f9996f.remove(context);
            if (this.f9996f.isEmpty()) {
                h(false);
            }
            Intent intent = new Intent(context, this.c);
            context.unbindService(this);
            context.stopService(intent);
        }
    }
}