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@ -1,6 +1,8 @@ |
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package gr.thmmy.mthmmy.utils.FileManager; |
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import android.content.Context; |
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import android.os.Environment; |
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import android.os.StatFs; |
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import android.support.annotation.Nullable; |
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import android.webkit.MimeTypeMap; |
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@ -18,10 +20,7 @@ import static gr.thmmy.mthmmy.activities.base.BaseActivity.getClient; |
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/** |
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* Used for downloading and storing a file from the forum using {@link okhttp3}. |
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* <p>Class has one constructor: <ul><li>{@link #ThmmyFile(URL, String, String)}</li></ul> |
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* and the methods:<ul><li>getters</li> |
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* <li>{@link #download()}</li> |
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* <li>{@link #download()}</li></ul></p> |
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* <p>Class has one constructor, {@link #ThmmyFile(URL, String, String)}. |
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*/ |
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public class ThmmyFile { |
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/** |
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@ -33,9 +32,22 @@ public class ThmmyFile { |
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private String extension, filePath; |
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private File file; |
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/** |
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* This constructor only creates a empty ThmmyFile object and <b>does not download</b> the file. To download |
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* the file use {@link #download(Context)} after setting file's url! |
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*/ |
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public ThmmyFile() { |
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this.fileUrl = null; |
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this.filename = null; |
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this.fileInfo = null; |
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this.extension = null; |
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this.filePath = null; |
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this.file = null; |
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} |
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/** |
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* This constructor only creates a ThmmyFile object and <b>does not download</b> the file. To download |
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* the file use {@link #download()} or {@link #download()}! |
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* the file use {@link #download(Context)}! |
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* |
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* @param fileUrl {@link URL} object with file's url |
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* @param filename {@link String} with desired file name |
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@ -63,7 +75,7 @@ public class ThmmyFile { |
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} |
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/** |
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* This is null until {@link #download()} or {@link #download()} is called and has succeeded. |
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* This is null until {@link #download(Context)} is called and has succeeded. |
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* |
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* @return String with file's extension or null |
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*/ |
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@ -73,7 +85,7 @@ public class ThmmyFile { |
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} |
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/** |
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* This is null until {@link #download()} or {@link #download()} is called and has succeeded. |
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* This is null until {@link #download(Context)} is called and has succeeded. |
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* |
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* @return String with file's path or null |
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*/ |
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@ -83,7 +95,7 @@ public class ThmmyFile { |
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} |
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/** |
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* This is null until {@link #download()} or {@link #download()} is called and has succeeded. |
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* This is null until {@link #download(Context)} is called and has succeeded. |
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* |
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* @return {@link File} or null |
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*/ |
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@ -112,7 +124,10 @@ public class ThmmyFile { |
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* @throws SecurityException if the requested file is not hosted by the forum. |
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*/ |
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@Nullable |
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public File download() throws IOException, SecurityException { |
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public File download(Context context) throws IOException, SecurityException, OutOfMemoryError { |
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if (fileUrl == null) { |
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return null; |
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} |
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if (!Objects.equals(fileUrl.getHost(), "www.thmmy.gr")) |
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throw new SecurityException("Downloading files from other sources is not supported"); |
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@ -122,7 +137,7 @@ public class ThmmyFile { |
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if (!response.isSuccessful()) { |
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throw new IOException("Failed to download file: " + response); |
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} |
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file = getOutputMediaFile(filename); |
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file = getOutputMediaFile(context, filename, fileInfo); |
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if (file == null) { |
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Report.d(TAG, "Error creating media file, check storage permissions!"); |
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} else { |
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@ -138,24 +153,40 @@ public class ThmmyFile { |
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} |
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@Nullable |
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private static File getOutputMediaFile(String fileName) { |
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// To be safe, you should check that the SDCard is mounted
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// using Environment.getExternalStorageState() before doing this.
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File mediaStorageDir = new File(Environment.getExternalStorageDirectory() |
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private File getOutputMediaFile(Context context, String fileName, String fileInfo) throws OutOfMemoryError, IOException { |
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File mediaStorageDir; |
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String extState = Environment.getExternalStorageState(); |
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if (Environment.isExternalStorageRemovable() && |
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Objects.equals(extState, Environment.MEDIA_MOUNTED)) { |
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mediaStorageDir = new File(Environment.getExternalStorageDirectory() |
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+ "/Android/data/gr.thmmy.mthmmy/" |
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+ "Downloads/"); |
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} else { |
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mediaStorageDir = new File(context.getFilesDir(), "Downloads"); |
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} |
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// This location works best if you want the created files to be shared
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// between applications and persist after your app has been uninstalled.
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// Create the storage directory if it does not exist
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//Creates the storage directory if it does not exist
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if (!mediaStorageDir.exists()) { |
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if (!mediaStorageDir.mkdirs()) { |
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Report.d(TAG, "problem!"); |
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return null; |
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throw new IOException("Error.\nCouldn't create the path!"); |
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} |
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} |
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// Create a media file name
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if (fileInfo != null) { |
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if (fileInfo.contains("KB")) { |
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float fileSize = Float.parseFloat(fileInfo |
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.substring(fileInfo.indexOf("(") + 1, fileInfo.indexOf("KB") - 1)); |
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StatFs stat = new StatFs(mediaStorageDir.getPath()); |
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long bytesAvailable = stat.getBlockSizeLong() * stat.getAvailableBlocksLong(); |
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if ((bytesAvailable / 1024.f) < fileSize) |
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throw new OutOfMemoryError("There is not enough memory!"); |
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} |
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} |
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//Creates a media file name
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File mediaFile; |
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mediaFile = new File(mediaStorageDir.getPath() + File.separator + fileName); |
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return mediaFile; |
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Ezerous
8 years ago