AssetsManager: loadResource
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@@ -16,14 +16,87 @@ import static java.text.MessageFormat.format;
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@SuppressWarnings("unused")
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public class AssetsManager {
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private static final String ERROR_NOT_FOUND = "Asset \"{0}\" not found";
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public void saveTo(String resourceName, Path targetPath) {
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URL resourceUrl = AssetsManager.class.getClassLoader().getResource(resourceName);
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if (resourceUrl == null) {
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throw new AssetsException(format("Asset \"{0}\" not found", resourceName));
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URL resourceUrl = getResourceUrl(resourceName);
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Path saveToPath;
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if (Files.isDirectory(targetPath)) {
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saveToPath = targetPath.resolve(resourceName);
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} else {
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saveToPath = targetPath;
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}
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doSaveTo(resourceUrl, saveToPath);
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}
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public void saveTo(String resourceName, File targetPath) {
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saveTo(resourceName, targetPath.toPath());
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}
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public InputStream loadResource(Path pluginFolder, String resourceName, String defaultResourceName, boolean saveDefault) {
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InputStream inputStream;
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Path pathToResource = pluginFolder.resolve(resourceName);
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if (Files.exists(pathToResource)) {
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inputStream = openResource(pathToResource);
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} else if (defaultResourceName != null) {
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URL resourceUrl = getResourceUrl(defaultResourceName);
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if (saveDefault) {
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doSaveTo(resourceUrl, pathToResource);
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inputStream = openResource(pathToResource);
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} else {
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inputStream = openResource(resourceUrl);
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}
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} else {
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throw new AssetsException(format(ERROR_NOT_FOUND, resourceName));
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}
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return inputStream;
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}
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public InputStream loadResource(Path pluginFolder, String resourceName, String defaultResourceName) {
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return loadResource(pluginFolder, resourceName, defaultResourceName, true);
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}
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public InputStream loadResource(Path pluginFolder, String resourceName, boolean saveDefault) {
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return loadResource(pluginFolder, resourceName, resourceName, saveDefault);
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}
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public InputStream loadResource(Path pluginFolder, String resourceName) {
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return loadResource(pluginFolder, resourceName, true);
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}
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public InputStream loadResource(File pluginFolder, String resourceName, String defaultResourceName, boolean saveDefault) {
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return loadResource(pluginFolder.toPath(), resourceName, defaultResourceName, saveDefault);
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}
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public InputStream loadResource(File pluginFolder, String resourceName, String defaultResourceName) {
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return loadResource(pluginFolder, resourceName, defaultResourceName, true);
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}
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public InputStream loadResource(File pluginFolder, String resourceName, boolean saveDefault) {
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return loadResource(pluginFolder.toPath(), resourceName, saveDefault);
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}
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public InputStream loadResource(File pluginFolder, String resourceName) {
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return loadResource(pluginFolder, resourceName, true);
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}
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private URL getResourceUrl(String resourceName) {
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URL resourceUrl = AssetsManager.class.getClassLoader().getResource(resourceName);
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if (resourceUrl == null) {
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throw new AssetsException(format(ERROR_NOT_FOUND, resourceName));
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}
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return resourceUrl;
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}
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private void doSaveTo(URL resourceUrl, Path saveToPath) {
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try (InputStream inputStream = resourceUrl.openStream();
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OutputStream outputStream = Files.newOutputStream(targetPath)) {
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OutputStream outputStream = Files.newOutputStream(saveToPath)) {
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byte[] buffer = new byte[8192];
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int count;
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@@ -31,11 +104,24 @@ public class AssetsManager {
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outputStream.write(buffer, 0, count);
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}
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} catch (IOException e) {
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throw new AssetsException(format("Error save asset \"{0}\": {1}", resourceName, e.getMessage()), e);
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throw new AssetsException(format("Error save asset \"{0}\" to \"{1}\": {2}",
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resourceUrl, saveToPath, e.getMessage()), e);
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}
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}
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public void saveTo(String resourceName, File targetPath) {
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saveTo(resourceName, targetPath.toPath());
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private InputStream openResource(Path pathToResource) {
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try {
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return Files.newInputStream(pathToResource);
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} catch (IOException e) {
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throw new AssetsException(format("Error open asset \"{0}\": {1}", pathToResource, e.getMessage()), e);
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}
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}
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private InputStream openResource(URL resourceUrl) {
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try {
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return resourceUrl.openStream();
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} catch (IOException e) {
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throw new AssetsException(format("Error open asset \"{0}\": {1}", resourceUrl, e.getMessage()), e);
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}
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}
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}
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