#vulnerable code 
                                public boolean hasLink(final String pid, final String rel,
        final String href) throws IOException {
        if (!this.exists(pid)) {
            throw new IllegalArgumentException(
                new Par(
                    "Project %s doesn't exist, can't check link"
                ).say(pid)
            );
        }
        try (final Item item = this.item()) {
            return !new Xocument(item.path()).nodes(
                String.format(
                    // @checkstyle LineLength (1 line)
                    "/catalog/project[@id='%s' and links/link[@rel='%s' and @href='%s']]",
                    pid, rel, href
                )
            ).isEmpty();
        }
    } 
                            #location 7 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                public boolean hasLink(final String pid, final String rel,
        final String href) throws IOException {
        this.checkExist(pid);
        try (final Item item = this.item()) {
            return !new Xocument(item.path()).nodes(
                String.format(
                    // @checkstyle LineLength (1 line)
                    "/catalog/project[@id='%s' and links/link[@rel='%s' and @href='%s']]",
                    pid, rel, href
                )
            ).isEmpty();
        }
    }