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app.exec() - run system shell command #15

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7fdce10
app.exec() implementation
PawelSuwinski Dec 7, 2020
63a1913
app.exec() - JSONObject usage in place of Map, some refactoring
PawelSuwinski Dec 8, 2020
92531ab
exec() - back to non-static access
PawelSuwinski Dec 8, 2020
7611d49
app.exec() - set appData as working directory
PawelSuwinski Dec 10, 2020
707af30
app.exec() - trim outputs
PawelSuwinski Dec 10, 2020
5364e8c
app.exec() - trim only one line output, fix trailing spaces
PawelSuwinski Dec 10, 2020
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36 changes: 36 additions & 0 deletions androidjs/src/main/java/com/android/js/api/App.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,14 @@
import android.app.Activity;
import android.os.Environment;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import org.json.JSONObject;
import org.json.JSONException;

import static android.os.Environment.DIRECTORY_ALARMS;
import static android.os.Environment.DIRECTORY_DCIM;
import static android.os.Environment.DIRECTORY_DOWNLOADS;
Expand Down Expand Up @@ -55,4 +63,32 @@ public String getPath(String name) {
return "-1";
}
}

public String exec(String[] cmdarray) throws JSONException {
JSONObject result = new JSONObject();
try {
Process process = Runtime.getRuntime().exec(cmdarray, null,
new File(this.activity.getFilesDir().getPath()));
process.waitFor();
result.put("status", process.exitValue());
result.put("stdout", readStream(process.getInputStream()));
result.put("stderr", readStream(process.getErrorStream()));
} catch (Exception e) {
result.put("error", e.getMessage());
}
return result.toString();
}

private String readStream(InputStream stream) throws IOException {
BufferedReader reader = new BufferedReader(
new InputStreamReader(stream));
StringBuilder content = new StringBuilder();
int cnt = 0;
String s;
while((s = reader.readLine()) != null) {
content.append(s + "\n");
cnt++;
}
return cnt == 1 ? content.toString().trim() : content.toString();
}
}
5 changes: 5 additions & 0 deletions androidjs/src/main/java/com/android/js/common/JavaWebviewBridge.java
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,11 @@ public String getPath(String name) {
return app.getPath(name);
}

@JavascriptInterface
public String exec(String[] cmdarray) throws JSONException {
return app.exec(cmdarray);
}

@JavascriptInterface
public void initNotification(String title, String msg){
notification.initNotification(title, msg);
Expand Down
6 changes: 6 additions & 0 deletions androidjs/src/main/java/com/android/js/react_native/api/App.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import org.json.JSONException;

public class App extends ReactContextBaseJavaModule {
private ReactApplicationContext reactContext;
Expand All @@ -19,6 +20,11 @@ public String getPath(String name) {
return app.getPath(name);
}

@ReactMethod(isBlockingSynchronousMethod = true)
public String exec(String[] cmdarray) throws JSONException {
return app.exec(cmdarray);
}

@Override
public String getName() {
return "Call";
Expand Down