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Add awt native open commands #7037

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merged 6 commits into from
Oct 28, 2020
Merged

Add awt native open commands #7037

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4f923cc
Add awt native open commands
LyzardKing Oct 23, 2020
8fbc3a8
Revert to xdg-open if the native awt operation fails.
LyzardKing Oct 25, 2020
b8afcfd
Fix AllowedToUseAwt annotation use
LyzardKing Oct 25, 2020
41a4936
Use Thread to avoid swing dependency
LyzardKing Oct 25, 2020
7682bb2
Use JabRefExecutorService to open files in Linux
LyzardKing Oct 25, 2020
fa5bd5a
Add line in changelog
LyzardKing Oct 26, 2020
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58 changes: 38 additions & 20 deletions src/main/java/org/jabref/gui/desktop/os/Linux.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package org.jabref.gui.desktop.os;

import java.awt.Desktop;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
Expand All @@ -20,23 +21,39 @@ public class Linux implements NativeDesktop {

private static final Logger LOGGER = LoggerFactory.getLogger(Linux.class);

private void nativeOpenFile(String filePath) {
if (Desktop.isDesktopSupported()) {
new Thread(() -> {
try {
File file = new File(filePath);
Desktop.getDesktop().open(file);
LOGGER.info("Opened file with Desktop integration");
} catch (Exception e) {
LOGGER.error("Open operation not successful: " + e.getMessage());
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}
}).start();
} else {
LOGGER.error("No operation possible");
}
}

@Override
public void openFile(String filePath, String fileType) throws IOException {
Optional<ExternalFileType> type = ExternalFileTypes.getInstance().getExternalFileTypeByExt(fileType);
String viewer;

if (type.isPresent() && !type.get().getOpenWithApplication().isEmpty()) {
viewer = type.get().getOpenWithApplication();
ProcessBuilder processBuilder = new ProcessBuilder(viewer, filePath);
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@Siedlerchr
Can we not remove this part and replace it with
Runtime.getRuntime().exec?
The code would be a lot cleaner..both here and in the openFileWithApplication methods..

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This method is used when you have defined a specific app in JabRef (Manage external file types in the Settings dialog -> External programs)

At least we need this StreamGobblers which read the input and error streams, otherwise it could lead to hanging
https://www.infoworld.com/article/2071275/when-runtime-exec---won-t.html

Process process = processBuilder.start();
StreamGobbler streamGobblerInput = new StreamGobbler(process.getInputStream(), LOGGER::debug);
StreamGobbler streamGobblerError = new StreamGobbler(process.getErrorStream(), LOGGER::debug);

JabRefExecutorService.INSTANCE.execute(streamGobblerInput);
JabRefExecutorService.INSTANCE.execute(streamGobblerError);
} else {
viewer = "xdg-open";
nativeOpenFile(filePath);
}
ProcessBuilder processBuilder = new ProcessBuilder(viewer, filePath);
Process process = processBuilder.start();
StreamGobbler streamGobblerInput = new StreamGobbler(process.getInputStream(), LOGGER::debug);
StreamGobbler streamGobblerError = new StreamGobbler(process.getErrorStream(), LOGGER::debug);

JabRefExecutorService.INSTANCE.execute(streamGobblerInput);
JabRefExecutorService.INSTANCE.execute(streamGobblerError);
}

@Override
Expand All @@ -45,21 +62,22 @@ public void openFileWithApplication(String filePath, String application) throws
String[] openWith;
if ((application != null) && !application.isEmpty()) {
openWith = application.split(" ");
} else {
openWith = new String[] {"xdg-open"};
}
String[] cmdArray = new String[openWith.length + 1];
System.arraycopy(openWith, 0, cmdArray, 0, openWith.length);
cmdArray[cmdArray.length - 1] = filePath;
LOGGER.info("Opening with " + openWith);
String[] cmdArray = new String[openWith.length + 1];
System.arraycopy(openWith, 0, cmdArray, 0, openWith.length);
cmdArray[cmdArray.length - 1] = filePath;

ProcessBuilder processBuilder = new ProcessBuilder(cmdArray);
Process process = processBuilder.start();
ProcessBuilder processBuilder = new ProcessBuilder(cmdArray);
Process process = processBuilder.start();

StreamGobbler streamGobblerInput = new StreamGobbler(process.getInputStream(), LOGGER::debug);
StreamGobbler streamGobblerError = new StreamGobbler(process.getErrorStream(), LOGGER::debug);
StreamGobbler streamGobblerInput = new StreamGobbler(process.getInputStream(), LOGGER::debug);
StreamGobbler streamGobblerError = new StreamGobbler(process.getErrorStream(), LOGGER::debug);

JabRefExecutorService.INSTANCE.execute(streamGobblerInput);
JabRefExecutorService.INSTANCE.execute(streamGobblerError);
JabRefExecutorService.INSTANCE.execute(streamGobblerInput);
JabRefExecutorService.INSTANCE.execute(streamGobblerError);
} else {
nativeOpenFile(filePath);
}
}

@Override
Expand Down