Program: 52017
Project: 52017
Buggy source:
/** 
 * Create a new instance, reading the lines in from file
 * @param f The file to read from
 * @param c The DSpace Context
 * @throws Exception thrown if there is an error reading or processing the file
 */
public DSpaceCSV(File f,Context c) throws Exception {
  init();
  BufferedReader input=null;
  try {
    input=new BufferedReader(new InputStreamReader(new FileInputStream(f),"String_Node_Str"));
    String head=input.readLine();
    String[] headingElements=head.split(escapedFieldSeparator);
    int columnCounter=0;
    for (    String element : headingElements) {
      columnCounter++;
      if ((element.startsWith("String_Node_Str")) && (element.endsWith("String_Node_Str"))) {
        element=element.substring(1,element.length() - 1);
      }
      if ("String_Node_Str".equals(element)) {
        headings.add(element);
      }
 else       if ("String_Node_Str".equals(element)) {
        headings.add(element);
      }
 else       if (!"String_Node_Str".equals(element)) {
        String authorityPrefix="String_Node_Str";
        AuthorityValue authorityValueType=MetadataImport.getAuthorityValueType(element);
        if (authorityValueType != null) {
          String authorityType=authorityValueType.getAuthorityType();
          authorityPrefix=element.substring(0,authorityType.length() + 1);
          element=element.substring(authorityPrefix.length());
        }
        String[] clean=element.split("String_Node_Str");
        String[] parts=clean[0].split("String_Node_Str");
        if (parts.length < 2) {
          throw new MetadataImportInvalidHeadingException(element,MetadataImportInvalidHeadingException.ENTRY,columnCounter);
        }
        String metadataSchema=parts[0];
        String metadataElement=parts[1];
        String metadataQualifier=null;
        if (parts.length > 2) {
          metadataQualifier=parts[2];
        }
        MetadataSchema foundSchema=MetadataSchema.find(c,metadataSchema);
        if (foundSchema == null) {
          throw new MetadataImportInvalidHeadingException(clean[0],MetadataImportInvalidHeadingException.SCHEMA,columnCounter);
        }
        int schemaID=foundSchema.getSchemaID();
        MetadataField foundField=MetadataField.findByElement(c,schemaID,metadataElement,metadataQualifier);
        if (foundField == null) {
          throw new MetadataImportInvalidHeadingException(clean[0],MetadataImportInvalidHeadingException.ELEMENT,columnCounter);
        }
        headings.add(authorityPrefix + element);
      }
    }
    StringBuilder lineBuilder=new StringBuilder();
    String lineRead;
    while ((lineRead=input.readLine()) != null) {
      if (lineBuilder.length() > 0) {
        lineBuilder.append("String_Node_Str").append(lineRead);
        int quoteCount=0;
        for (int pos=0; pos < lineBuilder.length(); pos++) {
          if (lineBuilder.charAt(pos) == '"') {
            quoteCount++;
          }
        }
        if (quoteCount % 2 == 0) {
          addItem(lineBuilder.toString());
          lineBuilder=new StringBuilder();
        }
      }
 else       if (lineRead.indexOf('"') > -1) {
        int quoteCount=0;
        for (int pos=0; pos < lineRead.length(); pos++) {
          if (lineRead.charAt(pos) == '"') {
            quoteCount++;
          }
        }
        if (quoteCount % 2 == 0) {
          addItem(lineRead);
        }
 else {
          lineBuilder.append(lineRead);
        }
      }
 else {
        addItem(lineRead);
      }
    }
  }
  finally {
    if (input != null) {
      input.close();
    }
  }
}

Fixed version (ground truth):
/** 
 * Create a new instance, reading the lines in from file
 * @param f The file to read from
 * @param c The DSpace Context
 * @throws Exception thrown if there is an error reading or processing the file
 */
public DSpaceCSV(File f,Context c) throws Exception {
  init();
  BufferedReader input=null;
  try {
    input=new BufferedReader(new InputStreamReader(new FileInputStream(f),"String_Node_Str"));
    String head=input.readLine();
    String[] headingElements=head.split(escapedFieldSeparator);
    int columnCounter=0;
    for (    String element : headingElements) {
      columnCounter++;
      if ((element.startsWith("String_Node_Str")) && (element.endsWith("String_Node_Str"))) {
        element=element.substring(1,element.length() - 1);
      }
      if ("String_Node_Str".equals(element)) {
        headings.add(element);
      }
 else       if ("String_Node_Str".equals(element)) {
        headings.add(element);
      }
 else       if (!"String_Node_Str".equals(element)) {
        String authorityPrefix="String_Node_Str";
        AuthorityValue authorityValueType=MetadataImport.getAuthorityValueType(element);
        if (authorityValueType != null) {
          String authorityType=authorityValueType.getAuthorityType();
          authorityPrefix=element.substring(0,authorityType.length() + 1);
          element=element.substring(authorityPrefix.length());
        }
        String[] clean=element.split("String_Node_Str");
        String[] parts=clean[0].split("String_Node_Str");
        if (parts.length < 2) {
          throw new MetadataImportInvalidHeadingException(element,MetadataImportInvalidHeadingException.ENTRY,columnCounter);
        }
        String metadataSchema=parts[0];
        String metadataElement=parts[1];
        String metadataQualifier=null;
        if (parts.length > 2) {
          metadataQualifier=parts[2];
        }
        MetadataSchema foundSchema=MetadataSchema.find(c,metadataSchema);
        if (foundSchema == null) {
          throw new MetadataImportInvalidHeadingException(clean[0],MetadataImportInvalidHeadingException.SCHEMA,columnCounter);
        }
        int schemaID=foundSchema.getSchemaID();
        MetadataField foundField=MetadataField.findByElement(c,schemaID,metadataElement,metadataQualifier);
        if (foundField == null) {
          throw new MetadataImportInvalidHeadingException(clean[0],MetadataImportInvalidHeadingException.ELEMENT,columnCounter);
        }
        headings.add(authorityPrefix + element);
      }
    }
    StringBuilder lineBuilder=new StringBuilder();
    String lineRead;
    while (StringUtils.isNotBlank(lineRead=input.readLine())) {
      if (lineBuilder.length() > 0) {
        lineBuilder.append("String_Node_Str").append(lineRead);
        int quoteCount=0;
        for (int pos=0; pos < lineBuilder.length(); pos++) {
          if (lineBuilder.charAt(pos) == '"') {
            quoteCount++;
          }
        }
        if (quoteCount % 2 == 0) {
          addItem(lineBuilder.toString());
          lineBuilder=new StringBuilder();
        }
      }
 else       if (lineRead.indexOf('"') > -1) {
        int quoteCount=0;
        for (int pos=0; pos < lineRead.length(); pos++) {
          if (lineRead.charAt(pos) == '"') {
            quoteCount++;
          }
        }
        if (quoteCount % 2 == 0) {
          addItem(lineRead);
        }
 else {
          lineBuilder.append(lineRead);
        }
      }
 else {
        addItem(lineRead);
      }
    }
  }
  finally {
    if (input != null) {
      input.close();
    }
  }
}