FairEmail/app/src/main/java/eu/faircode/email/ThrowableWrapper.java

package eu.faircode.email;

/*
    This file is part of FairEmail.

    FairEmail is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    FairEmail is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with FairEmail.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2018-2024 by Marcel Bokhorst (M66B)
*/

import android.text.TextUtils;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

// TODO CASA logging
public class ThrowableWrapper extends Throwable {
    private String msg;
    private final Throwable ex;

    public static native String jni_get_safe_message(Throwable ex); // TODO CASA

    public static native String jni_get_safe_stack_trace_string(Throwable ex); // TODO CASA

    static {
        System.loadLibrary("fairemail");
    }

    ThrowableWrapper() {
        this.ex = new Throwable();
        List<StackTraceElement> stack = new ArrayList<>(Arrays.asList(ex.getStackTrace()));
        if (stack.size() > 0)
            stack.remove(0);
        ex.setStackTrace(stack.toArray(new StackTraceElement[0]));
    }

    ThrowableWrapper(Throwable ex) {
        this.ex = ex;
    }

    void setMessage(String msg) {
        this.msg = msg;
    }

    public String getSafeMessage() {
        return (TextUtils.isEmpty(msg) ? jni_get_safe_message(ex) : msg);
    }

    public String getSafeMessageOrName() {
        String msg = getSafeMessage();
        return (msg == null ? ex.getClass().getName() : msg);
    }

    public String getSafeStackTraceString() {
        return jni_get_safe_stack_trace_string(ex);
    }

    public String toSafeString() {
        String name = ex.getClass().getName();
        String message = getSafeMessage();
        return (message == null ? name : (name + ": " + message));
    }

    @Nullable
    @Override
    public String getMessage() {
        return getSafeMessage();
    }

    @Nullable
    @Override
    public String getLocalizedMessage() {
        return getSafeMessage();
    }

    @NonNull
    @Override
    public StackTraceElement[] getStackTrace() {
        return ex.getStackTrace();
    }

    @Override
    public void setStackTrace(@NonNull StackTraceElement[] stackTrace) {
        ex.setStackTrace(stackTrace);
    }

    @Nullable
    @Override
    public synchronized Throwable getCause() {
        return ex.getCause();
    }

    @NonNull
    @Override
    public String toString() {
        return toSafeString();
    }
}