JAL-2277 Refactored out duplicated method - printUnwrapped() in HtmlSvgOutput, extern...

[jalview.git] / src / jalview / io / HtmlFile.java

diff --git a/src/jalview/io/HtmlFile.java b/src/jalview/io/HtmlFile.java
index e31e78d..d19a203 100644 (file)
--- a/src/jalview/io/HtmlFile.java
+++ b/src/jalview/io/HtmlFile.java
@@ -27,8 +27,13 @@ import jalview.api.FeaturesDisplayedI;
 import jalview.datamodel.ColumnSelection;
 import jalview.datamodel.SequenceI;
 
+import java.io.BufferedReader;
+import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.StringReader;
+import java.net.URL;
+import java.util.Objects;
 
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
@@ -190,4 +195,52 @@ public class HtmlFile extends AlignFile implements ComplexAlignFile
     return new PDBFeatureSettings();
   }
 
+  /**
+   * Read a template file content as string
+   * 
+   * @param file
+   *          - the file to be read
+   * @return File content as String
+   * @throws IOException
+   */
+  public static String readFileAsString(File file) throws IOException
+  {
+    InputStreamReader isReader = null;
+    BufferedReader buffReader = null;
+    StringBuilder sb = new StringBuilder();
+    Objects.requireNonNull(file, "File must not be null!");
+    @SuppressWarnings("deprecation")
+    URL url = file.toURL();
+    if (url != null)
+    {
+      try
+      {
+        isReader = new InputStreamReader(url.openStream());
+        buffReader = new BufferedReader(isReader);
+        String line;
+        String lineSeparator = System.getProperty("line.separator");
+        while ((line = buffReader.readLine()) != null)
+        {
+          sb.append(line).append(lineSeparator);
+        }
+  
+      } catch (Exception ex)
+      {
+        ex.printStackTrace();
+      } finally
+      {
+        if (isReader != null)
+        {
+          isReader.close();
+        }
+  
+        if (buffReader != null)
+        {
+          buffReader.close();
+        }
+      }
+    }
+    return sb.toString();
+  }
+
 }