Minecraft/ghast-tools
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AssetsManager: loadResource

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This commit is contained in:
DmitriyMX
2020-12-26 05:05:08 +03:00
parent 71c55ccdae
commit 07b22bbb06
1 changed files with 93 additions and 7 deletions
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100
src/main/java/ghast/AssetsManager.java
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@@ -16,14 +16,87 @@ import static java.text.MessageFormat.format;
@SuppressWarnings("unused") @SuppressWarnings("unused")
public class AssetsManager { public class AssetsManager {
private static final String ERROR_NOT_FOUND = "Asset \"{0}\" not found";
public void saveTo(String resourceName, Path targetPath) { public void saveTo(String resourceName, Path targetPath) {
URL resourceUrl = AssetsManager.class.getClassLoader().getResource(resourceName); URL resourceUrl = getResourceUrl(resourceName);
if (resourceUrl == null) {
throw new AssetsException(format("Asset \"{0}\" not found", resourceName)); Path saveToPath;
if (Files.isDirectory(targetPath)) {
saveToPath = targetPath.resolve(resourceName);
} else {
saveToPath = targetPath;
} }
doSaveTo(resourceUrl, saveToPath);
}
public void saveTo(String resourceName, File targetPath) {
saveTo(resourceName, targetPath.toPath());
}
public InputStream loadResource(Path pluginFolder, String resourceName, String defaultResourceName, boolean saveDefault) {
InputStream inputStream;
Path pathToResource = pluginFolder.resolve(resourceName);
if (Files.exists(pathToResource)) {
inputStream = openResource(pathToResource);
} else if (defaultResourceName != null) {
URL resourceUrl = getResourceUrl(defaultResourceName);
if (saveDefault) {
doSaveTo(resourceUrl, pathToResource);
inputStream = openResource(pathToResource);
} else {
inputStream = openResource(resourceUrl);
}
} else {
throw new AssetsException(format(ERROR_NOT_FOUND, resourceName));
}
return inputStream;
}
public InputStream loadResource(Path pluginFolder, String resourceName, String defaultResourceName) {
return loadResource(pluginFolder, resourceName, defaultResourceName, true);
}
public InputStream loadResource(Path pluginFolder, String resourceName, boolean saveDefault) {
return loadResource(pluginFolder, resourceName, resourceName, saveDefault);
}
public InputStream loadResource(Path pluginFolder, String resourceName) {
return loadResource(pluginFolder, resourceName, true);
}
public InputStream loadResource(File pluginFolder, String resourceName, String defaultResourceName, boolean saveDefault) {
return loadResource(pluginFolder.toPath(), resourceName, defaultResourceName, saveDefault);
}
public InputStream loadResource(File pluginFolder, String resourceName, String defaultResourceName) {
return loadResource(pluginFolder, resourceName, defaultResourceName, true);
}
public InputStream loadResource(File pluginFolder, String resourceName, boolean saveDefault) {
return loadResource(pluginFolder.toPath(), resourceName, saveDefault);
}
public InputStream loadResource(File pluginFolder, String resourceName) {
return loadResource(pluginFolder, resourceName, true);
}
private URL getResourceUrl(String resourceName) {
URL resourceUrl = AssetsManager.class.getClassLoader().getResource(resourceName);
if (resourceUrl == null) {
throw new AssetsException(format(ERROR_NOT_FOUND, resourceName));
}
return resourceUrl;
}
private void doSaveTo(URL resourceUrl, Path saveToPath) {
try (InputStream inputStream = resourceUrl.openStream(); try (InputStream inputStream = resourceUrl.openStream();
OutputStream outputStream = Files.newOutputStream(targetPath)) { OutputStream outputStream = Files.newOutputStream(saveToPath)) {
byte[] buffer = new byte[8192]; byte[] buffer = new byte[8192];
int count; int count;
@@ -31,11 +104,24 @@ public class AssetsManager {
outputStream.write(buffer, 0, count); outputStream.write(buffer, 0, count);
} }
} catch (IOException e) { } catch (IOException e) {
throw new AssetsException(format("Error save asset \"{0}\": {1}", resourceName, e.getMessage()), e); throw new AssetsException(format("Error save asset \"{0}\" to \"{1}\": {2}",
resourceUrl, saveToPath, e.getMessage()), e);
} }
} }
public void saveTo(String resourceName, File targetPath) { private InputStream openResource(Path pathToResource) {
saveTo(resourceName, targetPath.toPath()); try {
return Files.newInputStream(pathToResource);
} catch (IOException e) {
throw new AssetsException(format("Error open asset \"{0}\": {1}", pathToResource, e.getMessage()), e);
}
}
private InputStream openResource(URL resourceUrl) {
try {
return resourceUrl.openStream();
} catch (IOException e) {
throw new AssetsException(format("Error open asset \"{0}\": {1}", resourceUrl, e.getMessage()), e);
}
} }
} }