diff --git a/.gitignore b/.gitignore
index 41779de8..684d232a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,10 @@ xcuserdata
dart/tests/Speedtest.dart.js.deps
dart/tests/Speedtest.dart.js.map
+
+#Java Related
+.settings/
+.classpath
+.project
+.metadata
+target/
diff --git a/java/pom.xml b/java/pom.xml
new file mode 100644
index 00000000..ee282238
--- /dev/null
+++ b/java/pom.xml
@@ -0,0 +1,132 @@
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>com.google</groupId>
+ <artifactId>diff-match-patch</artifactId>
+ <version>1.0.0</version>
+ <packaging>jar</packaging>
+
+ <properties>
+ <java-version>1.6</java-version>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <junit.version>4.11</junit.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>${junit.version}</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.6.2</version>
+ <configuration>
+ <source>${java-version}</source>
+ <target>${java-version}</target>
+ <showDeprecation>true</showDeprecation>
+ <showWarnings>true</showWarnings>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <artifactId>maven-source-plugin</artifactId>
+ <version>3.0.1</version>
+ <executions>
+ <execution>
+ <goals>
+ <goal>jar</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+
+ <plugin>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <version>2.10.4</version>
+ <configuration>
+ <excludePackageNames>*.internal.*</excludePackageNames>
+ <failOnError>false</failOnError>
+ <additionalparam>-Xdoclint:none</additionalparam>
+ </configuration>
+ <executions>
+ <execution>
+ <goals>
+ <goal>jar</goal>
+ </goals>
+ <inherited>true</inherited>
+ </execution>
+ </executions>
+ </plugin>
+
+ <plugin>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>2.6</version>
+ <configuration>
+ <useDefaultManifestFile>true</useDefaultManifestFile>
+ <archive>
+ <index>true</index>
+ <manifest>
+ <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+ <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+ </manifest>
+ </archive>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <version>2.21.0</version>
+ <configuration>
+ <surefire.useFile>false</surefire.useFile>
+ <includes>
+ <include>**/diff_match_patch_test.java</include>
+ <include>**/*Test</include>
+ </includes>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <name>Google Diff Match and Patch</name>
+ <url>https://github.com/google/diff-match-patch</url>
+ <description>Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.</description>
+ <inceptionYear>2006</inceptionYear>
+ <organization>
+ <url>https://www.google.com</url>
+ <name>Google Inc</name>
+ </organization>
+ <scm>
+ <url>https://github.com/google/diff-match-patch</url>
+ <connection>scm:git:git@github.com:google/diff-match-patch</connection>
+ <developerConnection>scm:git:git@github.com:google/diff-match-patch</developerConnection>
+ </scm>
+ <issueManagement>
+ <system>github.com</system>
+ <url>https://github.com/google/diff-match-patch/issues</url>
+ </issueManagement>
+ <developers>
+ <developer>
+ <name>Neil Fraser</name>
+ <organizationUrl>https://www.google.com</organizationUrl>
+ <url>https://www.google.com</url>
+ <roles>
+ <role>Initiator</role>
+ <role>Commiter</role>
+ </roles>
+ <email>fraser at google.com</email>
+ </developer>
+ </developers>
+ <licenses>
+ <license>
+ <name>The Apache Software License, Version 2.0</name>
+ <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+ <distribution>repo</distribution>
+ </license>
+ </licenses>
+</project>
diff --git a/java/src/name/fraser/neil/plaintext/diff_match_patch.java b/java/src/main/java/name/fraser/neil/plaintext/diff_match_patch.java
similarity index 100%
rename from java/src/name/fraser/neil/plaintext/diff_match_patch.java
rename to java/src/main/java/name/fraser/neil/plaintext/diff_match_patch.java
diff --git a/java/src/test/java/name/fraser/neil/plaintext/SpeedTest.java b/java/src/test/java/name/fraser/neil/plaintext/SpeedTest.java
new file mode 100644
index 00000000..24bc722f
--- /dev/null
+++ b/java/src/test/java/name/fraser/neil/plaintext/SpeedTest.java
@@ -0,0 +1,57 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+
+/**
+ * Diff Speed Test
+ *
+ * @author fraser@google.com (Neil Fraser)
+ */
+
+package name.fraser.neil.plaintext;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+import org.junit.Test;
+
+public class SpeedTest {
+
+ @Test
+ public void testSpeed() throws Exception {
+ String text1 = readFile("src/test/java/name/fraser/neil/plaintext/Speedtest1.txt");
+ String text2 = readFile("src/test/java/name/fraser/neil/plaintext/Speedtest2.txt");
+
+ diff_match_patch dmp = new diff_match_patch();
+ dmp.Diff_Timeout = 0;
+
+ // Execute one reverse diff as a warmup.
+ dmp.diff_main(text2, text1, false);
+ System.gc();
+
+ long start_time = System.currentTimeMillis();
+ dmp.diff_main(text1, text2, false);
+ long end_time = System.currentTimeMillis();
+ System.out.printf("Elapsed time: %f\n", ((end_time - start_time) / 1000.0));
+ }
+
+ private static String readFile(String filename) {
+ // Read a file from disk and return the text contents.
+ StringBuffer strbuf = new StringBuffer();
+ try {
+ FileReader input = new FileReader(filename);
+ BufferedReader bufRead = new BufferedReader(input);
+ String line = bufRead.readLine();
+ while (line != null) {
+ strbuf.append(line);
+ strbuf.append('\n');
+ line = bufRead.readLine();
+ }
+
+ bufRead.close();
+
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ return strbuf.toString();
+ }
+}
diff --git a/java/tests/name/fraser/neil/plaintext/Speedtest1.txt b/java/src/test/java/name/fraser/neil/plaintext/Speedtest1.txt
similarity index 100%
rename from java/tests/name/fraser/neil/plaintext/Speedtest1.txt
rename to java/src/test/java/name/fraser/neil/plaintext/Speedtest1.txt
diff --git a/java/tests/name/fraser/neil/plaintext/Speedtest2.txt b/java/src/test/java/name/fraser/neil/plaintext/Speedtest2.txt
similarity index 100%
rename from java/tests/name/fraser/neil/plaintext/Speedtest2.txt
rename to java/src/test/java/name/fraser/neil/plaintext/Speedtest2.txt
diff --git a/java/tests/name/fraser/neil/plaintext/diff_match_patch_test.java b/java/src/test/java/name/fraser/neil/plaintext/diff_match_patch_test.java
similarity index 95%
rename from java/tests/name/fraser/neil/plaintext/diff_match_patch_test.java
rename to java/src/test/java/name/fraser/neil/plaintext/diff_match_patch_test.java
index a15e504d..d189c6ee 100644
--- a/java/tests/name/fraser/neil/plaintext/diff_match_patch_test.java
+++ b/java/src/test/java/name/fraser/neil/plaintext/diff_match_patch_test.java
@@ -37,9 +37,11 @@
import name.fraser.neil.plaintext.diff_match_patch.LinesToCharsResult;
import name.fraser.neil.plaintext.diff_match_patch.Patch;
+import org.junit.Test;
+
public class diff_match_patch_test {
- private static diff_match_patch dmp;
+ private static diff_match_patch dmp = new diff_match_patch();
private static diff_match_patch.Operation DELETE = diff_match_patch.Operation.DELETE;
private static diff_match_patch.Operation EQUAL = diff_match_patch.Operation.EQUAL;
private static diff_match_patch.Operation INSERT = diff_match_patch.Operation.INSERT;
@@ -47,8 +49,8 @@ public class diff_match_patch_test {
// DIFF TEST FUNCTIONS
-
- public static void testDiffCommonPrefix() {
+ @Test
+ public void testDiffCommonPrefix() {
// Detect any common prefix.
assertEquals("diff_commonPrefix: Null case.", 0, dmp.diff_commonPrefix("abc", "xyz"));
@@ -57,7 +59,8 @@ public static void testDiffCommonPrefix() {
assertEquals("diff_commonPrefix: Whole case.", 4, dmp.diff_commonPrefix("1234", "1234xyz"));
}
- public static void testDiffCommonSuffix() {
+ @Test
+ public void testDiffCommonSuffix() {
// Detect any common suffix.
assertEquals("diff_commonSuffix: Null case.", 0, dmp.diff_commonSuffix("abc", "xyz"));
@@ -66,7 +69,8 @@ public static void testDiffCommonSuffix() {
assertEquals("diff_commonSuffix: Whole case.", 4, dmp.diff_commonSuffix("1234", "xyz1234"));
}
- public static void testDiffCommonOverlap() {
+ @Test
+ public void testDiffCommonOverlap() {
// Detect any suffix/prefix overlap.
assertEquals("diff_commonOverlap: Null case.", 0, dmp.diff_commonOverlap("", "abcd"));
@@ -81,7 +85,8 @@ public static void testDiffCommonOverlap() {
assertEquals("diff_commonOverlap: Unicode.", 0, dmp.diff_commonOverlap("fi", "\ufb01i"));
}
- public static void testDiffHalfmatch() {
+ @Test
+ public void testDiffHalfmatch() {
// Detect a halfmatch.
dmp.Diff_Timeout = 1;
assertNull("diff_halfMatch: No match #1.", dmp.diff_halfMatch("1234567890", "abcdef"));
@@ -109,7 +114,8 @@ public static void testDiffHalfmatch() {
assertNull("diff_halfMatch: Optimal no halfmatch.", dmp.diff_halfMatch("qHilloHelloHew", "xHelloHeHulloy"));
}
- public static void testDiffLinesToChars() {
+ @Test
+ public void testDiffLinesToChars() {
// Convert lines down to characters.
ArrayList<String> tmpVector = new ArrayList<String>();
tmpVector.add("");
@@ -148,7 +154,8 @@ public static void testDiffLinesToChars() {
assertLinesToCharsResultEquals("diff_linesToChars: More than 256.", new LinesToCharsResult(chars, "", tmpVector), dmp.diff_linesToChars(lines, ""));
}
- public static void testDiffCharsToLines() {
+ @Test
+ public void testDiffCharsToLines() {
// First check that Diff equality works.
assertTrue("diff_charsToLines: Equality #1.", new Diff(EQUAL, "a").equals(new Diff(EQUAL, "a")));
@@ -194,7 +201,8 @@ public static void testDiffCharsToLines() {
assertEquals("diff_charsToLines: More than 65536.", chars, diffs.getFirst().text);
}
- public static void testDiffCleanupMerge() {
+ @Test
+ public void testDiffCleanupMerge() {
// Cleanup a messy diff.
LinkedList<Diff> diffs = diffList();
dmp.diff_cleanupMerge(diffs);
@@ -245,7 +253,8 @@ public static void testDiffCleanupMerge() {
assertEquals("diff_cleanupMerge: Slide edit right recursive.", diffList(new Diff(EQUAL, "xca"), new Diff(DELETE, "cba")), diffs);
}
- public static void testDiffCleanupSemanticLossless() {
+ @Test
+ public void testDiffCleanupSemanticLossless() {
// Slide diffs to match logical boundaries.
LinkedList<Diff> diffs = diffList();
dmp.diff_cleanupSemanticLossless(diffs);
@@ -280,7 +289,8 @@ public static void testDiffCleanupSemanticLossless() {
assertEquals("diff_cleanupSemanticLossless: Sentence boundaries.", diffList(new Diff(EQUAL, "The xxx."), new Diff(INSERT, " The zzz."), new Diff(EQUAL, " The yyy.")), diffs);
}
- public static void testDiffCleanupSemantic() {
+ @Test
+ public void testDiffCleanupSemantic() {
// Cleanup semantically trivial equalities.
LinkedList<Diff> diffs = diffList();
dmp.diff_cleanupSemantic(diffs);
@@ -327,7 +337,8 @@ public static void testDiffCleanupSemantic() {
assertEquals("diff_cleanupSemantic: Two overlap eliminations.", diffList(new Diff(DELETE, "abcd"), new Diff(EQUAL, "1212"), new Diff(INSERT, "efghi"), new Diff(EQUAL, "----"), new Diff(DELETE, "A"), new Diff(EQUAL, "3"), new Diff(INSERT, "BC")), diffs);
}
- public static void testDiffCleanupEfficiency() {
+ @Test
+ public void testDiffCleanupEfficiency() {
// Cleanup operationally trivial equalities.
dmp.Diff_EditCost = 4;
LinkedList<Diff> diffs = diffList();
@@ -357,20 +368,23 @@ public static void testDiffCleanupEfficiency() {
dmp.Diff_EditCost = 4;
}
- public static void testDiffPrettyHtml() {
+ @Test
+ public void testDiffPrettyHtml() {
// Pretty print.
LinkedList<Diff> diffs = diffList(new Diff(EQUAL, "a\n"), new Diff(DELETE, "<B>b</B>"), new Diff(INSERT, "c&d"));
assertEquals("diff_prettyHtml:", "<span>a¶<br></span><del style=\"background:#ffe6e6;\"><B>b</B></del><ins style=\"background:#e6ffe6;\">c&d</ins>", dmp.diff_prettyHtml(diffs));
}
- public static void testDiffText() {
+ @Test
+ public void testDiffText() {
// Compute the source and destination texts.
LinkedList<Diff> diffs = diffList(new Diff(EQUAL, "jump"), new Diff(DELETE, "s"), new Diff(INSERT, "ed"), new Diff(EQUAL, " over "), new Diff(DELETE, "the"), new Diff(INSERT, "a"), new Diff(EQUAL, " lazy"));
assertEquals("diff_text1:", "jumps over the lazy", dmp.diff_text1(diffs));
assertEquals("diff_text2:", "jumped over a lazy", dmp.diff_text2(diffs));
}
- public static void testDiffDelta() {
+ @Test
+ public void testDiffDelta() {
// Convert a diff into delta string.
LinkedList<Diff> diffs = diffList(new Diff(EQUAL, "jump"), new Diff(DELETE, "s"), new Diff(INSERT, "ed"), new Diff(EQUAL, " over "), new Diff(DELETE, "the"), new Diff(INSERT, "a"), new Diff(EQUAL, " lazy"), new Diff(INSERT, "old dog"));
String text1 = dmp.diff_text1(diffs);
@@ -428,7 +442,8 @@ public static void testDiffDelta() {
assertEquals("diff_fromDelta: Unchanged characters.", diffs, dmp.diff_fromDelta("", delta));
}
- public static void testDiffXIndex() {
+ @Test
+ public void testDiffXIndex() {
// Translate a location in text1 to text2.
LinkedList<Diff> diffs = diffList(new Diff(DELETE, "a"), new Diff(INSERT, "1234"), new Diff(EQUAL, "xyz"));
assertEquals("diff_xIndex: Translation on equality.", 5, dmp.diff_xIndex(diffs, 2));
@@ -437,7 +452,8 @@ public static void testDiffXIndex() {
assertEquals("diff_xIndex: Translation on deletion.", 1, dmp.diff_xIndex(diffs, 3));
}
- public static void testDiffLevenshtein() {
+ @Test
+ public void testDiffLevenshtein() {
LinkedList<Diff> diffs = diffList(new Diff(DELETE, "abc"), new Diff(INSERT, "1234"), new Diff(EQUAL, "xyz"));
assertEquals("diff_levenshtein: Levenshtein with trailing equality.", 4, dmp.diff_levenshtein(diffs));
@@ -448,7 +464,8 @@ public static void testDiffLevenshtein() {
assertEquals("diff_levenshtein: Levenshtein with middle equality.", 7, dmp.diff_levenshtein(diffs));
}
- public static void testDiffBisect() {
+ @Test
+ public void testDiffBisect() {
// Normal.
String a = "cat";
String b = "map";
@@ -463,7 +480,8 @@ public static void testDiffBisect() {
assertEquals("diff_bisect: Timeout.", diffs, dmp.diff_bisect(a, b, 0));
}
- public static void testDiffMain() {
+ @Test
+ public void testDiffMain() {
// Perform a trivial diff.
LinkedList<Diff> diffs = diffList();
assertEquals("diff_main: Null case.", diffs, dmp.diff_main("", "", false));
@@ -555,7 +573,8 @@ public static void testDiffMain() {
// MATCH TEST FUNCTIONS
- public static void testMatchAlphabet() {
+ @Test
+ public void testMatchAlphabet() {
// Initialise the bitmasks for Bitap.
Map<Character, Integer> bitmask;
bitmask = new HashMap<Character, Integer>();
@@ -567,7 +586,8 @@ public static void testMatchAlphabet() {
assertEquals("match_alphabet: Duplicates.", bitmask, dmp.match_alphabet("abcaba"));
}
- public static void testMatchBitap() {
+ @Test
+ public void testMatchBitap() {
// Bitap algorithm.
dmp.Match_Distance = 100;
dmp.Match_Threshold = 0.5f;
@@ -612,7 +632,8 @@ public static void testMatchBitap() {
assertEquals("match_bitap: Distance test #3.", 0, dmp.match_bitap("abcdefghijklmnopqrstuvwxyz", "abcdefg", 24));
}
- public static void testMatchMain() {
+ @Test
+ public void testMatchMain() {
// Full match.
assertEquals("match_main: Equality.", 0, dmp.match_main("abcdef", "abcdef", 1000));
@@ -643,7 +664,8 @@ public static void testMatchMain() {
// PATCH TEST FUNCTIONS
- public static void testPatchObj() {
+ @Test
+ public void testPatchObj() {
// Patch Object.
Patch p = new Patch();
p.start1 = 20;
@@ -655,7 +677,8 @@ public static void testPatchObj() {
assertEquals("Patch: toString.", strp, p.toString());
}
- public static void testPatchFromText() {
+ @Test
+ public void testPatchFromText() {
assertTrue("patch_fromText: #0.", dmp.patch_fromText("").isEmpty());
String strp = "@@ -21,18 +22,17 @@\n jump\n-s\n+ed\n over \n-the\n+a\n %0Alaz\n";
@@ -676,7 +699,8 @@ public static void testPatchFromText() {
}
}
- public static void testPatchToText() {
+ @Test
+ public void testPatchToText() {
String strp = "@@ -21,18 +22,17 @@\n jump\n-s\n+ed\n over \n-the\n+a\n laz\n";
List<Patch> patches;
patches = dmp.patch_fromText(strp);
@@ -687,7 +711,8 @@ public static void testPatchToText() {
assertEquals("patch_toText: Dual.", strp, dmp.patch_toText(patches));
}
- public static void testPatchAddContext() {
+ @Test
+ public void testPatchAddContext() {
dmp.Patch_Margin = 4;
Patch p;
p = dmp.patch_fromText("@@ -21,4 +21,10 @@\n-jump\n+somersault\n").get(0);
@@ -707,8 +732,9 @@ public static void testPatchAddContext() {
assertEquals("patch_addContext: Ambiguity.", "@@ -1,27 +1,28 @@\n Th\n-e\n+at\n quick brown fox jumps. \n", p.toString());
}
+ @Test
@SuppressWarnings("deprecation")
- public static void testPatchMake() {
+ public void testPatchMake() {
LinkedList<Patch> patches;
patches = dmp.patch_make("", "");
assertEquals("patch_make: Null case.", "", dmp.patch_toText(patches));
@@ -758,7 +784,8 @@ public static void testPatchMake() {
}
}
- public static void testPatchSplitMax() {
+ @Test
+ public void testPatchSplitMax() {
// Assumes that Match_MaxBits is 32.
LinkedList<Patch> patches;
patches = dmp.patch_make("abcdefghijklmnopqrstuvwxyz01234567890", "XabXcdXefXghXijXklXmnXopXqrXstXuvXwxXyzX01X23X45X67X89X0");
@@ -779,7 +806,8 @@ public static void testPatchSplitMax() {
assertEquals("patch_splitMax: #4.", "@@ -2,32 +2,32 @@\n bcdefghij , h : \n-0\n+1\n , t : 1 abcdef\n@@ -29,32 +29,32 @@\n bcdefghij , h : \n-0\n+1\n , t : 1 abcdef\n", dmp.patch_toText(patches));
}
- public static void testPatchAddPadding() {
+ @Test
+ public void testPatchAddPadding() {
LinkedList<Patch> patches;
patches = dmp.patch_make("", "test");
assertEquals("patch_addPadding: Both edges full.", "@@ -0,0 +1,4 @@\n+test\n", dmp.patch_toText(patches));
@@ -797,7 +825,8 @@ public static void testPatchAddPadding() {
assertEquals("patch_addPadding: Both edges none.", "@@ -5,8 +5,12 @@\n XXXX\n+test\n YYYY\n", dmp.patch_toText(patches));
}
- public static void testPatchApply() {
+ @Test
+ public void testPatchApply() {
dmp.Match_Distance = 1000;
dmp.Match_Threshold = 0.5f;
dmp.Patch_DeleteThreshold = 0.5f;
@@ -942,41 +971,4 @@ private static LinkedList<Diff> diffList(Diff... diffs) {
}
return myDiffList;
}
-
- public static void main(String args[]) {
- dmp = new diff_match_patch();
-
- testDiffCommonPrefix();
- testDiffCommonSuffix();
- testDiffCommonOverlap();
- testDiffHalfmatch();
- testDiffLinesToChars();
- testDiffCharsToLines();
- testDiffCleanupMerge();
- testDiffCleanupSemanticLossless();
- testDiffCleanupSemantic();
- testDiffCleanupEfficiency();
- testDiffPrettyHtml();
- testDiffText();
- testDiffDelta();
- testDiffXIndex();
- testDiffLevenshtein();
- testDiffBisect();
- testDiffMain();
-
- testMatchAlphabet();
- testMatchBitap();
- testMatchMain();
-
- testPatchObj();
- testPatchFromText();
- testPatchToText();
- testPatchAddContext();
- testPatchMake();
- testPatchSplitMax();
- testPatchAddPadding();
- testPatchApply();
-
- System.out.println("All tests passed.");
- }
-}
+}
\ No newline at end of file
diff --git a/java/tests/name/fraser/neil/plaintext/Speedtest.java b/java/tests/name/fraser/neil/plaintext/Speedtest.java
deleted file mode 100644
index 5c0ef034..00000000
--- a/java/tests/name/fraser/neil/plaintext/Speedtest.java
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2010 Google Inc. All Rights Reserved.
-
-/**
- * Diff Speed Test
- *
- * Compile from diff-match-patch/java with:
- * javac -d classes src/name/fraser/neil/plaintext/diff_match_patch.java tests/name/fraser/neil/plaintext/Speedtest.java
- * Execute with:
- * java -classpath classes name/fraser/neil/plaintext/Speedtest
- *
- * @author fraser@google.com (Neil Fraser)
- */
-
-package name.fraser.neil.plaintext;
-
-import name.fraser.neil.plaintext.diff_match_patch;
-
-import java.io.BufferedReader;
-import java.io.FileReader;
-import java.io.IOException;
-
-public class Speedtest {
-
- public static void main(String args[]) {
- String text1 = readFile("tests/name/fraser/neil/plaintext/Speedtest1.txt");
- String text2 = readFile("tests/name/fraser/neil/plaintext/Speedtest2.txt");
-
- diff_match_patch dmp = new diff_match_patch();
- dmp.Diff_Timeout = 0;
-
- // Execute one reverse diff as a warmup.
- dmp.diff_main(text2, text1, false);
- System.gc();
-
- long start_time = System.currentTimeMillis();
- dmp.diff_main(text1, text2, false);
- long end_time = System.currentTimeMillis();
- System.out.printf("Elapsed time: %f\n", ((end_time - start_time) / 1000.0));
- }
-
- private static String readFile(String filename) {
- // Read a file from disk and return the text contents.
- StringBuffer strbuf = new StringBuffer();
- try {
- FileReader input = new FileReader(filename);
- BufferedReader bufRead = new BufferedReader(input);
- String line = bufRead.readLine();
- while (line != null) {
- strbuf.append(line);
- strbuf.append('\n');
- line = bufRead.readLine();
- }
-
- bufRead.close();
-
- } catch (IOException e) {
- e.printStackTrace();
- }
- return strbuf.toString();
- }
-}