1 files changed, 106 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/utils/CommonUtil.java b/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/utils/CommonUtil.java
new file mode 100644
index 0000000000..8ffddc48d7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/utils/CommonUtil.java
@@ -0,0 +1,106 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.common.utils;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.openecomp.core.utilities.file.FileContentHandler;
+import org.openecomp.core.utilities.file.FileUtils;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.logging.types.LoggerConstants;
+import org.openecomp.sdc.logging.types.LoggerErrorDescription;
+import org.openecomp.sdc.common.errors.Messages;
+import org.slf4j.MDC;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+public class CommonUtil {
+
+  public static String getMethodName() {
+    return Thread.currentThread().getStackTrace()[2].getMethodName();
+  }
+
+  public static FileContentHandler loadUploadFileContent(byte[] uploadedFileData)
+          throws IOException {
+    return getFileContentMapFromOrchestrationCandidateZip(uploadedFileData);
+  }
+
+  public static FileContentHandler getFileContentMapFromOrchestrationCandidateZip(byte[] uploadFileData)
+          throws IOException {
+    ZipEntry zipEntry;
+    List<String> folderList = new ArrayList<>();
+    FileContentHandler mapFileContent = new FileContentHandler();
+    try {
+      ZipInputStream inputZipStream;
+
+      byte[] fileByteContent;
+      String currentEntryName;
+      inputZipStream = new ZipInputStream(new ByteArrayInputStream(uploadFileData));
+
+      while ((zipEntry = inputZipStream.getNextEntry()) != null) {
+        currentEntryName = zipEntry.getName();
+        // else, get the file content (as byte array) and save it in a map.
+        fileByteContent = FileUtils.toByteArray(inputZipStream);
+
+        int index = lastIndexFileSeparatorIndex(currentEntryName);
+        if (index != -1) { //todo ?
+          folderList.add(currentEntryName);
+        } else {
+          mapFileContent.addFile(currentEntryName, fileByteContent);
+        }
+
+      }
+
+    } catch (RuntimeException exception) {
+      throw new IOException(exception);
+    }
+
+    if (CollectionUtils.isNotEmpty(folderList)) {
+      MDC.put(LoggerConstants.ERROR_DESCRIPTION, LoggerErrorDescription.INVALID_ZIP);
+      throw new CoreException((new ErrorCode.ErrorCodeBuilder())
+              .withMessage(Messages.ZIP_SHOULD_NOT_CONTAIN_FOLDERS.getErrorMessage())
+              .withId(Messages.ZIP_SHOULD_NOT_CONTAIN_FOLDERS.getErrorMessage())
+              .withCategory(ErrorCategory.APPLICATION).build());
+    }
+
+    return mapFileContent;
+  }
+
+  private static int lastIndexFileSeparatorIndex(String filePath) {
+    int length = filePath.length() - 1;
+
+    for (int i = length; i >= 0; i--) {
+      char currChar = filePath.charAt(i);
+      if (currChar == '/' || currChar == File.separatorChar || currChar == File.pathSeparatorChar) {
+        return i;
+      }
+    }
+    // if we've reached to the start of the string and didn't find file separator - return -1
+    return -1;
+  }
+}