1 files changed, 73 insertions, 1 deletions

diff --git a/src/com/darkprograms/speech/synthesiser/Synthesiser.java b/src/com/darkprograms/speech/synthesiser/Synthesiser.java
index bbedb0d..78884ae 100644
--- a/src/com/darkprograms/speech/synthesiser/Synthesiser.java
+++ b/src/com/darkprograms/speech/synthesiser/Synthesiser.java
@@ -4,11 +4,14 @@ import java.io.InputStream;
 import java.net.URL;
 import java.net.URLConnection;
 import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Synthesiser class that connects to Google's unoffical API to retreive data
  *
  * @author Luke Kuza
+ * @author Aaron Gokaslan (String parsing Methods)
  */
 public class Synthesiser {
 
@@ -32,7 +35,13 @@ public class Synthesiser {
      * @throws Exception Throws exception if it can not complete the request
      */
     public InputStream getMP3Data(String synthText) throws Exception {
-        String encoded = URLEncoder.encode(synthText, "UTF-8"); //Encode
+        
+    	if(synthText.length()>99){
+    		List<String> fragments = stringParser(synthText);
+    		return getMP3Data(fragments);
+    	}
+    	
+    	String encoded = URLEncoder.encode(synthText, "UTF-8"); //Encode
 
         URL url = new URL(GOOGLE_SYNTHESISER_URL + encoded);  //create url
 
@@ -44,5 +53,68 @@ public class Synthesiser {
 
         return urlConn.getInputStream();
     }
+    
+    /**
+     * Gets an InputStream to MP3Data for the returned information from a request
+     * @param synthText List of Strings you want to be synthesized into MP3 data
+     * @return Returns an input stream of all the MP3 data that is returned from Google
+     * @throws Exception Throws exception if it cannot complete the request
+     */
+    public InputStream getMP3Data(List<String> synthText) throws Exception{
+    	InputStream complete = getMP3Data(synthText.remove(0));
+    	for(String part: synthText){
+    		complete = new java.io.SequenceInputStream(complete, getMP3Data(part));//Concatenate with new MP3 Data
+    	}
+    	return complete;
+    }
 
+    /**
+     * Separates a string into smaller parts so that Google will not reject the request.
+     * @param input The string you want to separate
+     * @return A List<String> of the String fragments from your input..
+     */
+    private List<String> stringParser(String input){
+    	return stringParser(input, new ArrayList<String>());
+    }
+    
+    /**
+     * Separates a string into smaller parts so that Google will not reject the request.
+     * @param input The string you want to break up into smaller parts
+     * @param fragments List<String> that you want to add stuff too. 
+     * If you don't have a List<String> already constructed "new ArrayList<String>()" works well.
+     * @return A list of the fragments of the original String
+     */
+    private List<String> stringParser(String input, List<String> fragments){
+    	if(input.length()<100){//Base Case
+    		fragments.add(input);
+    		return fragments;
+    	}
+    	else{
+    		int space = findLastWord(input);//Checks if a space exists
+    		if(space<0){
+    			fragments.add(input.substring(0,99));//In case you sent gibberish to Google.
+    			return stringParser(input.substring(99), fragments);
+    		}else{
+    			fragments.add(input.substring(0,space));//Otherwise, adds the last word to the list for recursion.
+    			return stringParser(input.substring(space), fragments);
+    		}
+    	}
+    }
+
+    /**
+     * Finds the last word in your String (before the index of 99) by searching for spaces and ending punctuation.
+     * @param input The String you want to search through.
+     * @return The index of where the last word of the String ends before the index of 99.
+     */
+    private int findLastWord(String input){
+    	if(input.length()<100)
+    		return input.length();
+    	for(int i = 99; i>=0; i--){
+    		char tmp = input.charAt(i);
+    		if( tmp == ' ' || tmp == '.' || tmp == '!' || tmp == '?' || tmp == ';' || tmp == ':' || tmp == '؟'
+    				|| tmp == '|'){ //Ending punctuation for all languages according to Wikipedia
+    			return i;
+    		}
+    	}
+    }
 }