Add StartsWithStringMatcher

1 files changed, 14 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/styles/StartsWithStringMatcher.java b/src/main/java/org/zwobble/mammoth/internal/styles/StartsWithStringMatcher.java
new file mode 100644
index 0000000..f3a8715
--- /dev/null
+++ b/src/main/java/org/zwobble/mammoth/internal/styles/StartsWithStringMatcher.java
@@ -0,0 +1,14 @@
+package org.zwobble.mammoth.internal.styles;
+
+public class StartsWithStringMatcher implements StringMatcher {
+    private final String prefix;
+
+    public StartsWithStringMatcher(String prefix) {
+        this.prefix = prefix;
+    }
+
+    @Override
+    public boolean matches(String value) {
+        return value.regionMatches(true, 0, prefix, 0, prefix.length());
+    }
+}