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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/LineContainsRegExp.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/LineContainsRegExp.java | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/LineContainsRegExp.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/LineContainsRegExp.java deleted file mode 100644 index 23a2005d..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/LineContainsRegExp.java +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You 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. - * - */ -package org.apache.tools.ant.filters; - -import java.io.IOException; -import java.io.Reader; -import java.util.Vector; - -import org.apache.tools.ant.Project; -import org.apache.tools.ant.types.Parameter; -import org.apache.tools.ant.types.RegularExpression; -import org.apache.tools.ant.util.regexp.Regexp; -import org.apache.tools.ant.util.regexp.RegexpUtil; - -/** - * Filter which includes only those lines that contain the user-specified - * regular expression matching strings. - * - * Example: - * <pre><linecontainsregexp> - * <regexp pattern="foo*"> - * </linecontainsregexp></pre> - * - * Or: - * - * <pre><filterreader classname="org.apache.tools.ant.filters.LineContainsRegExp"> - * <param type="regexp" value="foo*"/> - * </filterreader></pre> - * - * This will fetch all those lines that contain the pattern <code>foo</code> - * - */ -public final class LineContainsRegExp - extends BaseParamFilterReader - implements ChainableReader { - /** Parameter name for the regular expression to filter on. */ - private static final String REGEXP_KEY = "regexp"; - - /** Parameter name for the negate attribute. */ - private static final String NEGATE_KEY = "negate"; - - /** Parameter name for the casesensitive attribute. */ - private static final String CS_KEY = "casesensitive"; - - /** Vector that holds the expressions that input lines must contain. */ - private Vector<RegularExpression> regexps = new Vector<RegularExpression>(); - - /** - * Remaining line to be read from this filter, or <code>null</code> if - * the next call to <code>read()</code> should read the original stream - * to find the next matching line. - */ - private String line = null; - - private boolean negate = false; - private int regexpOptions = Regexp.MATCH_DEFAULT; - - /** - * Constructor for "dummy" instances. - * - * @see BaseFilterReader#BaseFilterReader() - */ - public LineContainsRegExp() { - super(); - } - - /** - * Creates a new filtered reader. - * - * @param in A Reader object providing the underlying stream. - * Must not be <code>null</code>. - */ - public LineContainsRegExp(final Reader in) { - super(in); - } - - /** - * Returns the next character in the filtered stream, only including - * lines from the original stream which match all of the specified - * regular expressions. - * - * @return the next character in the resulting stream, or -1 - * if the end of the resulting stream has been reached - * - * @exception IOException if the underlying stream throws an IOException - * during reading - */ - public int read() throws IOException { - if (!getInitialized()) { - initialize(); - setInitialized(true); - } - - int ch = -1; - - if (line != null) { - ch = line.charAt(0); - if (line.length() == 1) { - line = null; - } else { - line = line.substring(1); - } - } else { - final int regexpsSize = regexps.size(); - - for (line = readLine(); line != null; line = readLine()) { - boolean matches = true; - for (int i = 0; matches && i < regexpsSize; i++) { - RegularExpression regexp - = (RegularExpression) regexps.elementAt(i); - Regexp re = regexp.getRegexp(getProject()); - matches = re.matches(line, regexpOptions); - } - if (matches ^ isNegated()) { - break; - } - } - if (line != null) { - return read(); - } - } - return ch; - } - - /** - * Adds a <code>regexp</code> element. - * - * @param regExp The <code>regexp</code> element to add. - * Must not be <code>null</code>. - */ - public void addConfiguredRegexp(final RegularExpression regExp) { - this.regexps.addElement(regExp); - } - - /** - * Sets the vector of regular expressions which must be contained within - * a line read from the original stream in order for it to match this - * filter. - * - * @param regexps A vector of regular expressions which must be contained - * within a line in order for it to match in this filter. Must not be - * <code>null</code>. - */ - private void setRegexps(final Vector<RegularExpression> regexps) { - this.regexps = regexps; - } - - /** - * Returns the vector of regular expressions which must be contained within - * a line read from the original stream in order for it to match this - * filter. - * - * @return the vector of regular expressions which must be contained within - * a line read from the original stream in order for it to match this - * filter. The returned object is "live" - in other words, changes made to - * the returned object are mirrored in the filter. - */ - private Vector<RegularExpression> getRegexps() { - return regexps; - } - - /** - * Creates a new LineContainsRegExp using the passed in - * Reader for instantiation. - * - * @param rdr A Reader object providing the underlying stream. - * Must not be <code>null</code>. - * - * @return a new filter based on this configuration, but filtering - * the specified reader - */ - public Reader chain(final Reader rdr) { - LineContainsRegExp newFilter = new LineContainsRegExp(rdr); - newFilter.setRegexps(getRegexps()); - newFilter.setNegate(isNegated()); - newFilter - .setCaseSensitive(!RegexpUtil.hasFlag(regexpOptions, - Regexp.MATCH_CASE_INSENSITIVE) - ); - return newFilter; - } - - /** - * Set the negation mode. Default false (no negation). - * @param b the boolean negation mode to set. - */ - public void setNegate(boolean b) { - negate = b; - } - - /** - * Whether to match casesensitevly. - * @since Ant 1.8.2 - */ - public void setCaseSensitive(boolean b) { - regexpOptions = RegexpUtil.asOptions(b); - } - - /** - * Find out whether we have been negated. - * @return boolean negation flag. - */ - public boolean isNegated() { - return negate; - } - - /** - * Parses parameters to add user defined regular expressions. - */ - private void initialize() { - Parameter[] params = getParameters(); - if (params != null) { - for (int i = 0; i < params.length; i++) { - if (REGEXP_KEY.equals(params[i].getType())) { - String pattern = params[i].getValue(); - RegularExpression regexp = new RegularExpression(); - regexp.setPattern(pattern); - regexps.addElement(regexp); - } else if (NEGATE_KEY.equals(params[i].getType())) { - setNegate(Project.toBoolean(params[i].getValue())); - } else if (CS_KEY.equals(params[i].getType())) { - setCaseSensitive(Project.toBoolean(params[i].getValue())); - } - } - } - } -} |