StringBuilder instead of StringBuffer

Change-Id: Ib28997e519ad672ca160776a20a65917fabb6a37
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/processors/pack200/Pack200ProcessorStep.java b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/processors/pack200/Pack200ProcessorStep.java
index a868440..9d4fd85 100644
--- a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/processors/pack200/Pack200ProcessorStep.java
+++ b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/processors/pack200/Pack200ProcessorStep.java
@@ -31,7 +31,7 @@
 import org.eclipse.internal.provisional.equinox.p2.jarprocessor.JarProcessorExecutor.Options;
 
 /**
- * The Pack200Unpacker expects an input containing ".jar.pack.gz" data.   
+ * The Pack200Unpacker expects an input containing ".jar.pack.gz" data.
  */
 public class Pack200ProcessorStep extends AbstractBufferingStep {
 	public static final String PACKED_SUFFIX = ".pack.gz"; //$NON-NLS-1$
@@ -55,7 +55,7 @@
 				detailedResult = true;
 			} else {
 				String[] locations = Utils.getPack200Commands("unpack200"); //$NON-NLS-1$
-				StringBuffer locationTried = new StringBuffer(100);
+				StringBuilder locationTried = new StringBuilder(100);
 				for (String location : locations) {
 					locationTried.append(location).append(", "); //$NON-NLS-1$
 				}
diff --git a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/BlobStore.java b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/BlobStore.java
index b22a503..f5e7863 100644
--- a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/BlobStore.java
+++ b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/BlobStore.java
@@ -58,9 +58,9 @@
 	}
 
 	/*
-	 * @see UniversalUniqueIdentifier#appendByteString(StringBuffer, byte)
+	 * @see UniversalUniqueIdentifier#appendByteString(StringBuilder, byte)
 	 */
-	private void appendByteString(StringBuffer buffer, byte value) {
+	private void appendByteString(StringBuilder buffer, byte value) {
 		String hexString;
 		if (value < 0)
 			hexString = Integer.toHexString(256 + value);
@@ -77,7 +77,7 @@
 	 * @see UniversalUniqueIdentifier#toString()
 	 */
 	private String bytesToHexString(byte[] b) {
-		StringBuffer buffer = new StringBuffer();
+		StringBuilder buffer = new StringBuilder();
 		for (byte element : b)
 			appendByteString(buffer, element);
 		return buffer.toString();
diff --git a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/Mapper.java b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/Mapper.java
index 5699289..3301b48 100644
--- a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/Mapper.java
+++ b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/Mapper.java
@@ -86,7 +86,7 @@
 			if (repoLocation.endsWith("/")) //$NON-NLS-1$
 				repoLocation = repoLocation.substring(0, repoLocation.length() - 1);
 
-			StringBuffer output = new StringBuffer(pattern);
+			StringBuilder output = new StringBuilder(pattern);
 			int index = 0;
 			while (index < output.length()) {
 				int beginning = output.indexOf("${", index); //$NON-NLS-1$
@@ -124,7 +124,7 @@
 
 	@Override
 	public String toString() {
-		StringBuffer result = new StringBuffer();
+		StringBuilder result = new StringBuilder();
 		for (int i = 0; i < filters.length; i++) {
 			result.append(filters[i]).append('-').append('>').append(outputStrings[i]).append('\n');
 		}
diff --git a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.java b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.java
index a1a3947..6143ba7 100644
--- a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.java
+++ b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.java
@@ -519,7 +519,7 @@
 	}
 
 	private String bytesToHexString(byte[] bytes) {
-		StringBuffer buffer = new StringBuffer();
+		StringBuilder buffer = new StringBuilder();
 		for (byte b : bytes) {
 			String hexString;
 			if (b < 0)
diff --git a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/UniversalUniqueIdentifier.java b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/UniversalUniqueIdentifier.java
index a59cc53..ed4518a 100644
--- a/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/UniversalUniqueIdentifier.java
+++ b/bundles/org.eclipse.equinox.p2.artifact.repository/src/org/eclipse/equinox/internal/p2/artifact/repository/simple/UniversalUniqueIdentifier.java
@@ -98,7 +98,7 @@
 			System.arraycopy(byteValue, 0, fBits, 0, BYTES_SIZE);
 	}
 
-	private void appendByteString(StringBuffer buffer, byte value) {
+	private void appendByteString(StringBuilder buffer, byte value) {
 		String hexString;
 
 		if (value < 0)
@@ -337,7 +337,7 @@
 
 	@Override
 	public String toString() {
-		StringBuffer buffer = new StringBuffer();
+		StringBuilder buffer = new StringBuilder();
 		for (int i = 0; i < fBits.length; i++)
 			appendByteString(buffer, fBits[i]);
 		return buffer.toString();