Remove apex-pdp TextFileUtils class

This class was moved to policy-common some time ago. Removing it in
apex-pdp.

Issue-ID: POLICY-1913
Change-Id: I982fbd799334b34f1526e19f339236b52205b91e
Signed-off-by: liamfallon <liam.fallon@est.tech>

4 files changed, 24 insertions, 128 deletions

diff --git a/model/utilities/pom.xml b/model/utilities/pom.xml
index 801174524..eb650a84c 100644
--- a/model/utilities/pom.xml
+++ b/model/utilities/pom.xml
@@ -1,6 +1,7 @@
 <!--
   ============LICENSE_START=======================================================
    Copyright (C) 2018 Ericsson. All rights reserved.
+   Modifications Copyright (C) 2020 Nordix Foundation.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -17,7 +18,10 @@
   SPDX-License-Identifier: Apache-2.0
   ============LICENSE_END=========================================================
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.onap.policy.apex-pdp.model</groupId>
@@ -29,6 +33,10 @@
 
     <dependencies>
         <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>utils</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.antlr</groupId>
             <artifactId>antlr4-runtime</artifactId>
             <version>4.7.1</version>
diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java
deleted file mode 100644
index 23efd9136..000000000
--- a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation.
- * ================================================================================
- * 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.utilities;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.nio.file.Files;
-
-/**
- * The Class TextFileUtils is class that provides useful functions for handling text files. Functions to read and wrtie
- * text files to strings and strings are provided.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public abstract class TextFileUtils {
-    private static final int READER_CHAR_BUFFER_SIZE_4096 = 4096;
-
-    private TextFileUtils() {
-        // This class cannot be initialized
-    }
-
-    /**
-     * Method to return the contents of a text file as a string.
-     *
-     * @param textFilePath The path to the file as a string
-     * @return A string containing the contents of the file
-     * @throws IOException on errors reading text from the file
-     */
-    public static String getTextFileAsString(final String textFilePath) throws IOException {
-        final File textFile = new File(textFilePath);
-        return new String(Files.readAllBytes(textFile.toPath()));
-    }
-
-    /**
-     * Method to write contents of a string to a text file.
-     *
-     * @param outString The string to write
-     * @param textFilePath The path to the file as a string
-     * @throws IOException on errors reading text from the file
-     */
-    public static void putStringAsTextFile(final String outString, final String textFilePath) throws IOException {
-        final File textFile = new File(textFilePath);
-        if (!textFile.getParentFile().exists()) {
-            textFile.getParentFile().mkdirs();
-        }
-
-        putStringAsFile(outString, textFile);
-    }
-
-    /**
-     * Method to write contents of a string to a text file.
-     *
-     * @param outString The string to write
-     * @param textFile The file to write the string to
-     * @throws IOException on errors reading text from the file
-     */
-    public static void putStringAsFile(final String outString, final File textFile) throws IOException {
-        Files.write(textFile.toPath(), outString.getBytes());
-    }
-
-    /**
-     * Method to return the contents of a text steam as a string.
-     *
-     * @param textStream The stream
-     * @return A string containing the output of the stream as text
-     * @throws IOException on errors reading text from the file
-     */
-    public static String getStreamAsString(final InputStream textStream) throws IOException {
-        return getReaderAsString(new BufferedReader(new InputStreamReader(textStream)));
-    }
-
-    /**
-     * Method to return the contents of a reader steam as a string. This closes the reader after use
-     *
-     * @param textReader The reader
-     * @return A string containing the output of the reader as text
-     * @throws IOException on errors reading text from the file
-     */
-    public static String getReaderAsString(final BufferedReader textReader) throws IOException {
-
-        final StringBuilder builder = new StringBuilder();
-        int charsRead = -1;
-        final char[] chars = new char[READER_CHAR_BUFFER_SIZE_4096];
-        do {
-            charsRead = textReader.read(chars, 0, chars.length);
-            if (charsRead > 0) {
-                builder.append(chars, 0, charsRead);
-            }
-        }
-        while (charsRead > 0);
-        return builder.toString();
-    }
-}
diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java
index 95839cd72..c1d255c28 100644
--- a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java
+++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java
@@ -1,19 +1,20 @@
 /*
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -26,26 +27,25 @@ import java.nio.file.Files;
 import java.util.Arrays;
 
 import org.junit.Test;
-import org.onap.policy.apex.model.utilities.DirectoryUtils;
-import org.onap.policy.apex.model.utilities.TextFileUtils;
+import org.onap.policy.common.utils.resources.TextFileUtils;
 
 public class DirectoryUtilsTest {
 
     @Test
     public void test() throws IOException {
         DirectoryUtils.emptyDirectory(new File("/i/dont/exist"));
-        
+
         File tempDir = Files.createTempDirectory("test").toFile();
 
         Files.createTempDirectory(tempDir.toPath(), "testsubprefix");
 
         TextFileUtils.putStringAsTextFile("Temp File 0 contents", tempDir.getAbsolutePath() + "/tempFile0.tmp");
         TextFileUtils.putStringAsTextFile("Temp File 1 contents", tempDir.getAbsolutePath() + "/tempFile1.tmp");
-        
+
         DirectoryUtils.emptyDirectory(tempDir);
-        
+
         DirectoryUtils.getLocalTempDirectory(null);
-        
+
         byte[] byteArray = new byte[] {0, 0, 0};
         DirectoryUtils.getLocalTempDirectory(Arrays.toString(byteArray));
     }
diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java
index d03dc7135..62f36946d 100644
--- a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java
+++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java
@@ -1,19 +1,20 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -27,9 +28,11 @@ import java.io.FileInputStream;
 import java.io.IOException;
 
 import org.junit.Test;
+import org.onap.policy.common.utils.resources.TextFileUtils;
 
 /**
  * Test text file utilities.
+ *
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
 public class TextFileUtilsTest {