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fix pedantic warnings in Provisioner.java to make null warnings clear

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The NullPointerException fixed by the previous commit had a warning to that
effect.  This fixes almost all the warnings to make the warnings clearer:

* unused method
* unused result of File.delete()
* can have reduced visibility
* single char static "" strings can be '' chars
This commit is contained in:
Hans-Christoph Steiner 2018-03-07 16:49:28 +01:00
parent dffac4e797
commit b9144cc95d
1 changed files with 25 additions and 24 deletions
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47
app/src/main/java/org/fdroid/fdroid/Provisioner.java
View File

@ -4,9 +4,7 @@ import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.util.Base64;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.io.IOUtils;
import org.fdroid.fdroid.data.Repo;
import org.fdroid.fdroid.data.RepoProvider;
@ -37,7 +35,7 @@ public class Provisioner {
/**
* This is the name of the subfolder in the file directory of this app
* where {@link Provisioner} looks for new provisions.
*
* <p>
* eg. in the Emulator (API level 24): /data/user/0/org.fdroid.fdroid.debug/files/provisions
*/
private static final String NEW_PROVISIONS_DIR = "provisions";
@ -48,7 +46,7 @@ public class Provisioner {
/**
* search for provision files and process them
*/
public static void scanAndProcess(Context context) {
static void scanAndProcess(Context context) {
File externalFilesDir = context.getExternalFilesDir(null);
if (externalFilesDir == null) {
return;
@ -83,21 +81,24 @@ public class Provisioner {
Uri origUrl = Uri.parse(repo.getUrl());
Uri.Builder data = new Uri.Builder();
data.scheme(origUrl.getScheme());
data.encodedAuthority(Uri.encode(repo.getUsername()) + ":" + Uri.encode(repo.getPassword()) + "@" + Uri.encode(origUrl.getAuthority()));
data.encodedAuthority(Uri.encode(repo.getUsername()) + ':'
+ Uri.encode(repo.getPassword()) + '@' + Uri.encode(origUrl.getAuthority()));
data.path(origUrl.getPath());
data.appendQueryParameter("fingerprint", repo.getSigfp());
Intent i = new Intent(context, ManageReposActivity.class);
i.setData(data.build());
context.startActivity(i);
Utils.debugLog(TAG, "Provision processed: '" + provision.getProvisonPath() + "' prompted user ...");
Utils.debugLog(TAG, "Provision processed: '"
+ provision.getProvisonPath() + "' prompted user ...");
}
}
// remove provision file
try {
new File(provision.getProvisonPath()).delete();
if (new File(provision.getProvisonPath()).delete()) {
cleanupCounter++;
}
} catch (SecurityException e) {
// ignore this exception
Utils.debugLog(TAG, "Removing provision not possible: " + e.getMessage() + " ()");
@ -108,7 +109,7 @@ public class Provisioner {
}
}
public List<File> findProvisionFiles(Context context) {
private List<File> findProvisionFiles(Context context) {
File externalFilesDir = context.getExternalFilesDir(null);
if (externalFilesDir == null) {
return Collections.emptyList();
@ -117,7 +118,7 @@ public class Provisioner {
return findProvisionFilesInDir(provisionDir);
}
protected List<File> findProvisionFilesInDir(File file) {
List<File> findProvisionFilesInDir(File file) {
if (file == null || !file.isDirectory()) {
return Collections.emptyList();
}
@ -153,7 +154,7 @@ public class Provisioner {
return sb.toString();
}
protected String deobfuscate(String obfuscated) {
String deobfuscate(String obfuscated) {
try {
return new String(Base64.decode(rot13(obfuscated), Base64.DEFAULT), "UTF-8");
} catch (UnsupportedEncodingException e) {
@ -162,7 +163,7 @@ public class Provisioner {
}
}
protected List<ProvisionPlaintext> extractProvisionsPlaintext(List<File> files) {
List<ProvisionPlaintext> extractProvisionsPlaintext(List<File> files) {
List<ProvisionPlaintext> result = new ArrayList<>();
if (files != null) {
for (File file : files) {
@ -171,7 +172,7 @@ public class Provisioner {
ZipInputStream in = null;
try {
in = new ZipInputStream(new FileInputStream(file));
ZipEntry zipEntry = null;
ZipEntry zipEntry;
while ((zipEntry = in.getNextEntry()) != null) {
String name = zipEntry.getName();
if ("repo_provision.json".equals(name)) {
@ -202,7 +203,7 @@ public class Provisioner {
return result;
}
public List<Provision> parseProvisions(List<ProvisionPlaintext> provisionPlaintexts) {
List<Provision> parseProvisions(List<ProvisionPlaintext> provisionPlaintexts) {
List<Provision> provisions = new ArrayList<>();
ObjectMapper mapper = new ObjectMapper();
@ -224,44 +225,44 @@ public class Provisioner {
return provisions;
}
public static class ProvisionPlaintext {
static class ProvisionPlaintext {
private String provisionPath;
private String repositoryProvision;
public String getProvisionPath() {
String getProvisionPath() {
return provisionPath;
}
public void setProvisionPath(String provisionPath) {
void setProvisionPath(String provisionPath) {
this.provisionPath = provisionPath;
}
public String getRepositoryProvision() {
String getRepositoryProvision() {
return repositoryProvision;
}
public void setRepositoryProvision(String repositoryProvision) {
void setRepositoryProvision(String repositoryProvision) {
this.repositoryProvision = repositoryProvision;
}
}
public static class Provision {
static class Provision {
private String provisonPath;
private RepositoryProvision repositoryProvision;
public String getProvisonPath() {
String getProvisonPath() {
return provisonPath;
}
public void setProvisonPath(String provisonPath) {
void setProvisonPath(String provisonPath) {
this.provisonPath = provisonPath;
}
public RepositoryProvision getRepositoryProvision() {
RepositoryProvision getRepositoryProvision() {
return repositoryProvision;
}
public void setRepositoryProvision(RepositoryProvision repositoryProvision) {
void setRepositoryProvision(RepositoryProvision repositoryProvision) {
this.repositoryProvision = repositoryProvision;
}
}