Example usage for org.apache.commons.lang3.text StrMatcher isMatch

Introduction

In this page you can find the example usage for org.apache.commons.lang3.text StrMatcher isMatch.

Prototype

public int isMatch(final char[] buffer, final int pos) 

Source Link

Document

Returns the number of matching characters, zero for no match.

Usage

From source file:dk.dbc.RequireSubstitution.java

@Override
protected String resolveVariable(String variableName, StrBuilder buf, int startPos, int endPos) {
    String resolved = getVariableResolver().lookup(variableName);
    if (resolved == null) {
        StrMatcher variablePrefixMatcher = getVariablePrefixMatcher();
        StrMatcher valueDelimiterMatcher = getValueDelimiterMatcher();
        char[] buffer = buf.toCharArray();
        int start = startPos;
        start += variablePrefixMatcher.isMatch(buffer, start);
        start += variableName.length();/*from w w  w .j  ava2s.  c  om*/
        int matchLength = valueDelimiterMatcher.isMatch(buffer, start);
        if (matchLength == 0) {
            throw new UndefinedEnvironmentVariableException("The environment variable '" + variableName
                    + "' is not defined; could not substitute the expression '"
                    + buf.substring(startPos, endPos) + "'.");
        }
    }
    return resolved;
}

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