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add a little helper method to load all the JSON files matching a file…
… wildcard and containing the given text as a single blob of JSON for hawtSpot table viewing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /** | ||
| * | ||
| * 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 io.hawt.io; | ||
|
|
||
| import java.io.File; | ||
| import java.io.FileFilter; | ||
|
|
||
| /** | ||
| * A number of helper functions for creating {@link FileFilter} objects on a {@link File} object. | ||
| */ | ||
| public class FileFilters { | ||
| private static final FileFilter TRUE_FILTER = new FileFilter() { | ||
| @Override | ||
| public String toString() { | ||
| return "TrueFileFilter"; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean accept(File pathname) { | ||
| return true; | ||
| } | ||
| }; | ||
|
|
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| public static FileFilter createFileFilter(String wildcard) { | ||
| if (Strings.isNotBlank(wildcard)) { | ||
| int idx = wildcard.indexOf('*'); | ||
| if (idx < 0) { | ||
| return nameEqualsFilter(wildcard); | ||
| } | ||
| int lastIdx = wildcard.lastIndexOf(idx); | ||
| if (lastIdx < 0) { | ||
| lastIdx = idx; | ||
| } | ||
| FileFilter endsWith = nameEndsWithFilter(wildcard.substring(lastIdx + 1)); | ||
| if (idx <= 0) { | ||
| return endsWith; | ||
| } else { | ||
| return andFilter(nameStartsWithFilter(wildcard.substring(0, idx)), endsWith); | ||
| } | ||
| } | ||
| return trueFilter(); | ||
| } | ||
|
|
||
| public static FileFilter nameEqualsFilter(final String name) { | ||
| return new FileFilter() { | ||
| @Override | ||
| public String toString() { | ||
| return "FileNameEqualsFilter(" + name + ")"; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean accept(File file) { | ||
| return name.equals(file.getName()); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| public static FileFilter nameStartsWithFilter(final String name) { | ||
| return new FileFilter() { | ||
| @Override | ||
| public String toString() { | ||
| return "FileNameStartsWithFilter(" + name + ")"; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean accept(File file) { | ||
| return file.getName().startsWith(name); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| public static FileFilter nameEndsWithFilter(final String name) { | ||
| return new FileFilter() { | ||
| @Override | ||
| public String toString() { | ||
| return "FileNameEndsWithFilter(" + name + ")"; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean accept(File file) { | ||
| return file.getName().endsWith(name); | ||
| } | ||
| }; | ||
| } | ||
|
|
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| public static FileFilter andFilter(final FileFilter filter1, final FileFilter filter2) { | ||
| return new FileFilter() { | ||
| @Override | ||
| public String toString() { | ||
| return "AndFilter(" + filter1 + " && " + filter2 + ")"; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean accept(File file) { | ||
| return filter1.accept(file) && filter2.accept(file); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| public static FileFilter trueFilter() { | ||
| return TRUE_FILTER; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /** | ||
| * | ||
| * 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 io.hawt.io; | ||
|
|
||
| /** | ||
| */ | ||
| public class Strings { | ||
| public static String trimString(String value, int max) { | ||
| if (value == null) { | ||
| return ""; | ||
| } | ||
| if (value.length() <= max) { | ||
| return value; | ||
| } | ||
| return value.substring(0, max - 3) + "..."; | ||
| } | ||
|
|
||
| public static boolean isNotBlank(String text) { | ||
| return text != null && text.trim().length() > 0; | ||
| } | ||
| } |
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